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Register of the Sir Karl RaimundPopper Papers, 1928-1995

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Register of the Sir Karl Raimund Popper Papers, 1928-1995

Finding aid prepared by Hoover Institution staff and David JacobsHoover Institution ArchivesStanford, CA, 94305-6010(650) 723-3563© 1998

http://oac.cdlib.org/findaid/ark:/13030/tf8c60064j


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Title: Sir Karl Raimund Popper papersCollection Number: 86039Contributing Institution: Hoover Institution ArchivesLanguage of Material: In EnglishDate (inclusive): 1928-1995Abstract: Speeches and writings, correspondence, notes, printed matter, phonotapes, phonorecords, and photographs,relating to philosophy, the nature of knowledge, the philosophy of culture, the philosophy and methodology of science, andthe philosophy of history and the social sciences. Deacribed in two groups, original collection (boxes 1-463) and theincremental materials acquired at a later date (boxes 464-583).Physical location: Hoover Institution ArchivesCollection Size: 575 manuscript boxes, 6 oversize boxes, 2 card file boxes, 28 envelopes, 47 phonotape reels, 4phonotape cassettes, 11 phonorecords (248 linear feet)Creator: Popper, Karl Raimund, Sir, 1902-AccessThe collection is open for research. Use copies of sound recordings are available for immediate use.Publication RightsFor copyright status, please contact the Hoover Institution ArchivesAcquisition InformationAcquired by the Hoover Institution Archives in 1986 with increments added at a later date.AccrualsMaterials may have been added to the collection since this finding aid was prepared. To determine if this has occurred, findthe collection in Stanford University's online catalog Socrates at http://library.stanford.edu/webcat . Materials have beenadded to the collection if the number of boxes listed in Socrates is larger than the number of boxes listed in this finding aid.Alternative Form AvailableCollection available on microfilm. Original collection (473 reels) and Incremental materials (91 reels)Preferred Citation[Identification of item], Sir Karl R. Popper papers, [Box no.], Hoover Institution Archives.1902, July28 Born, Vienna, Austria

1926 Ph.D., University of Vienna1930 Married Josefine Anne Henninger (1906-1985)1934 Author, Logik der Forschung1930-1935 Schoolteacher, Vienna1937-1945 Senior Lecturer in Philosophy, Canterbury University College, University of New Zealand, Christchurch1945 Author, The Open Society and Its Enemies1945-1949 Reader in Logic and Scientific Method, London School of Economics and Political Science, University of London,

England1949-1969 Professor of Logic and Scientific Method, London School of Economics and Political Science, University of

London1954 Author, Miseria dello storicismo1962 Author, Conjectures and Refutations: The Growth of Scientific Knowledge1965 Knighted1972 Author, Objective Knowledge: An Evolutionary Approach1976 Author, Unended Quest: An Intellectual Autobiography1977 Co-author (with John C. Eccles), The Self and Its Brain: An Argument for Interactionism1979 Author, Die beiden Grundprobleme der Erkenntnistheorie1982-1983 Author, Postscript to The Logic of Scientific Discovery1983 Author, A Pocket Popper1984 Author, Auf der Suche nach einer besseren Welt1986- Head, Ludwig Boltzmann Institut fur Wissenschaftstheorie, ViennaScope and Content Note

http://library.stanford.edu/webcat


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Speeches and writings, correspondence, notes, printed matter, phonotapes, phonorecords, and photographs, relating tophilosophy, the nature of knowledge, the philosophy of culture, the philosophy and methodology of science, and thephilosophy of history and the social sciences. Most of collection also available on microfilm (564 reels). Sound use copies ofsound recordings available.Subjects and Indexing TermsCivilization--Philosophy.Conservatism.History--Philosophy.Knowledge, Theory of.Philosophers.Philosophy.Phonorecords.Phonotapes.Science--Methodology.Science--Philosophy.Social sciences--Philosophy.

SPEECHES AND WRITINGS I, 1928-1986Scope and Contents noteConference papers, drafts of books, essays, notes, reviews, speeches, and relatedcorrespondence, arranged chronologically

Unidentified writings, n.d.Folder 1,Folder 1-6

General

Folder 2,Folder 1-15

General

Folder 16-24 FragmentsFolder 3,Folder 1-36

Fragments


Fragments

Folder 3,Folder 37

Miscellaneous pages

Folder 4, Folder 1 "An Alternative Proof that Probability Is Now Ampliative," Holograph n.d.Folder 2 "Animal Alphabet," Holograph and typescript n.d.Folder 3 "The Arrow of Time," Typescript of chapter for a book n.d.Folder 4 "Axiom Definition," Holograph n.d.Folder 5 "An Axiom System for Intuitionist Probability," Holograph n.d.Folder 6 "Axiome, Definitionen, und Postulate der Geometrie," Typescript (2 bound volumes)

n.d.Folder 7 "Bemerkung zum komplementaritatsproblem der Quantenmechanik," Typescript n.d.Folder 8 "Bemerkungen uber Sprachtheorie und ihre Geschichte," Holograph n.d.Folder 9 "Bemerkungen zum sogenannten Problem der Willensfreiheit," Typescript n.d.Folder 10 "Bleen is Projectible," Holograph n.d.Folder 11 "Bohr Copenhagen Interpretation," Typescript outline n.d.Folder 12 "Boole's Philosophy of Logic," Typescript n.d.Folder 13 "C-Axiom System," Holograph n.d.Folder 14 "Can There Be a Quantum Logic?" Holograph n.d.Folder 15 "Cardinal Numbers in New Foundation," Holograph n.d.Folder 16 "Causal Completeness," Holograph n.d.Folder 17 "Causality," Holograph n.d.

SPEECHES AND WRITINGS I, 1928-1986


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Folder 18 "Clouds, Clocks, and Organisms: An Essay on Causation and Propensity," Holographoutline n.d.

Folder 19 "Comments on Quantum Mechanics," Typescript n.d.Folder 20 "The Construction of Shortest Random-Like Sequences of Degree n" (with L. R. B.

Elton), Typescript n.d.Folder 21 "A Contradiction Between Special Relativity and the Copenhagen Interpretation of

Quantum Mechanics," Holograph n.d.Folder 22 "A Conversation between Karl R. Popper and Jean-Pierre Vigier," Typescript n.d.Folder 23 "Counterexamples to a Proof of Clauser and Horne" (with Thomas D. Angelidis),

Typescript n.d.Folder 24 "Determinism and Indeterminism," Holograph outline n.d.Folder 25 "Dismembering (Dismantling) the Philosophy of Meaning," Holograph outline and

notes n.d.Folder 26 "Do Ampliative Probabilistic Inferences Exist?" Holograph n.d.Folder 27 "The End of Materialism," Holograph outline n.d. Essay volumes, (apparently Projected compilations of selected writings n.d. 1970s

and 1980s).Folder 5, Folder 1 General Untitled volumesFolder 2 Preface; Science: Problems, Aims, Responsibilities; Optimist, Pessimist, and

Pragmatist Views of Human Knowledge; Physics and Philosophy; Plato;Historical Explanation

Folder 3 The Bucket and the Searchlight; In Search of Enlightenment; The Status ofScience; A Note on the Theory of the Cold War; The Open Society and theDemocratic State

Folder 4 Evolutionary EpistemologyScope and Content NoteIncludes letter from Gunter Wachtershauser); On the Nutritive Origin of Vision;Remarks on 'Place of Mind in Nature'; The Place of Mind in Nature

Folder 5 The Influence of Einstein on My View of Science; Julius Kraft; A Brief Remark on

the Theory of the Cold War; A Political Postscript on the Central Problem of theCold War; The Open Society and the Democratic State

Folder 6 Of Clouds and Clocks; A Realist View of Logic, Physics, and History; Evolutionand the Tree of Knowledge; Epistemology Without a Knowing Subject; On theTheory of the Objective Mind; Professor Popper's Seminar On Seeing Red, ; TheMyth of the Framework; Models, Instruments, and Truth 1969 January 7

Folder 7 A Paradox of Zero Information; Extract from Logic without Assumptions; On theStatus and the Methods of Science; The Open Society and the Democratic State

"Einstein"Folder 8 Holograph outline and notesFolder 9 Typescript miscellaneous pagesFolder 10 "Four Essays on Social Philosophy." Notes "How I See Philosophy"Folder 6, Folder 1 How I See PhilosophyFolder 2 Indeterminism Is not EnoughFolder 3 Einstein's Influence on My View of ScienceFolder 4 The Status of Science: A Broadcast to RussiaFolder 5 Science: Problems, Aims, Responsibilities; Epistemology and Industrialization;

Emancipation Through KnowledgeFolder 6 Creative Self-Criticism in Science and in Art



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"In Search of Enlightenment: Essays in the Philosophy of Science and of Politics."Preface; Science: Problems, Aims, Responsibilities; Optimist, Pessimist, andPragmatist Views of Scientific Knowledge; Physics and Philosophy; The Bucketand the Searchlight; In Search of Enlightenment; The Status of Science; A Note onthe Cold War; The Open Society and the Democratic State; Einstein's Influence onMy View of Science; Julius Kraft, ; Epistemology and Industrialization; HistoricalExplanation: An Interview; Models, Instruments, and Truth: The RationalityPrinciple in the Social Sciences 1898-1960

Folder 7 GeneralFolder 8 Typescript "Lady Popper's Essay Volume"Folder 9 Philosophy and PhysicsFolder 10 The Revolution in Our Idea of Knowledge "The Myth of the Framework" (also entitled "Emancipation through Knowledge"

and "On History and Society") GeneralFolder 7, Folder 1 Notes and table of contentsFolder 2 CorrespondenceFolder 3 Working copyFolder 4-5 Emancipation through KnowledgeFolder 6-8 The Myth of the FrameworkFolder 8,Folder 1-2

The Pluralist Approach to the Philosophy of History

Folder 3-4 Epistemology and IndustrializationFolder 5-6 Science: Problems, Aims, ResponsibilitiesFolder 7-8 The Moral Responsibility of the ScientistFolder 9 Models, Instruments and TruthFolder 10 The Logic of the Social SciencesFolder 11 Reason or RevolutionFolder 12 The Frankfurt SchoolFolder 13 The Rationality of Scientific Revolutions "Philosophy and Physics" (also entitled "Realism and Physics")Folder 9, Folder 1 General NotesFolder 2 GeneralFolder 3 Dictated to Jeremy F. G. ShearmurFolder 4 Correspondence.

Scope and Content NoteIncludes queries and suggestions

Folder 5 Tables of contentsFolder 6 PrefaceFolder 7-12 Philosophy and PhysicsFolder 13-14 Science: Problems, Aims, ResponsibilitiesFolder 15-19 Quantum Mechanics without 'The Observer'Folder 20-23 The Propensity Interpretation of the Calculus of Probability, and the Quantum

TheoryFolder 24-26 The Propensity Interpretation of ProbabilityFolder 10,Folder 1-4

Particle Annihilation and the Argument of Einstein, Podolsky and Rosen

Folder 5-7 Quantum Theory, Quantum Logic and the Calculus of ProbabilityFolder 8-10 Birkhoff and von Neumann's Interpretation of Quantum MechanicsFolder 11-13 Indeterminism in Quantum Physics and in Classical PhysicsFolder 14-15 On the Objectivity of the Arrow of Time and the Current Theory of EntropyFolder 16-17 Time, Probability and IndeterminismFolder 18-19 Discussion Remarks from a SymposiumFolder 20 Normal Science and Its DangersFolder 21-22 The Moral Responsibility of the Scientist



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Appendices: On the Probabilistic Theory of Induction. Probability Magic orKnowledge out of Ignorance; On Carnap's Version of Laplace's Rule ofSuccession; The Mysteries of Udolpho: A Reply to Professors Jeffrey andBar-Hillel; A Comment on Miller's New Paradox of Information; A Paradox ofZero Information; On Rules of Detachment and So-Called Inductive Logic;Theories, Experience, and Probabilistic Intuitions; Creative and Non-CreativeDefinitions in the Calculus of Probability

Folder 4 BibliographyFolder 5 "A Pluralist Approach to (the Philosophy of) History." Theories of Knowledge: The

Bucket and the Searchlight; Three Idols of Empiricism: Precision - Definition - TheSenses and Their Data; A Pluralist Approach to the Philosophy of History; Eineobjektive Theorie des historischen Verstehens; Historical Explanation; Die Logikder Sozialwissenschaften; Models, Instruments, and Truth; Epistemology andIndustrialisation; In Search of Enlightenment; The Status of Science; The OpenSociety and the Democratic State; A Note on the Cold War; Reason or Revolution.Outline for a suggested volume sent to Arne F. Petersen on 1971 May 21

"Social Science/Social Philosophy" (also entitled "Philosophy of Science and ofPolitics")

Folder 6 GeneralFolder 7 Historical ExplanationFolder 8 Julius KraftFolder 9 Optimist, Pessimist, and Pragmatist Views of Scientific KnowledgeFolder 10 A Note on the Cold WarFolder 11 The Open Society and the Democratic State "Wie ich die Philosophie sehe" (intended for publication in Reclam ). Das

Sokratische Nichtwissen; Wie Ich die Philosophie sehe; Wissenschaft und Kritik;Der Einfluss philosophischer Probleme auf die Physik der Materie;Wissenschaftliche Reduktion und die essentielle Unvollstandigkeit derWissenschaft; Die Rationalitat wissenschaftlicher Revolutionen; Der relativistischeMythos; Woran glaubt der Westen?; Utopie und Gewalt; Selbstbefreiung durch dasWissen

Folder 12 TypescriptFolder 13 ProofsFolder 12,Folder 1

"Ethical and Methodological Individualism," (probably 1960s or early 1970s). Speechgiven in the United States. Typescript n.d.

Folder 2 "Explanation and Prediction," Speech. Holograph and typescript (also entitled"Natural Laws and Theoretical Systems" and "Laws of Nature and TheoreticalMethods") n.d.

"Extensionality," (probably 1940s). See also Notes while developing a theory ofnatural deduction n.d.

Folder 3 "Extensionality in a Rudimentary Boolean Algebra" (Paper No. 1). Notes, outlines,and typescript

Folder 4 "Completeness and Extensionality of a Rudimentary Boolean Algebra" (Paper No.2). Notes and typescript

Folder 5 "Postulates for Boolean Algebra" (Paper No. 3). Notes and typescriptFolder 6 Foreword to unidentified book, Holograph (in German) n.d.Folder 7 "A Formal Proof that Universal Laws of Nature Have Zero Probability," Holograph n.d.Folder 8 "Francis Bacon's Theory of Science," Typescript n.d.Folder 9 "Freedom and Truth," Speech fragment. Holograph and typescript n.d.Folder 10 "A General Theory of Inference," Holograph. n.d.

Scope and Contents noteIncludes notes on interpretations

Folder 11 "'Gewohnheit' und 'Gesetzerlebnis' in der Erziehung: Eine

Padagogisch-strukturpsychologische Monographie," Typescript n.d.Folder 12 "Historicism and the Treason of the Intellect," Holograph n.d.Folder 13 "Hypothesis and Confirmation: Fundamentals of Scientific Research," Typescript

(translated by J. H. Woodger) n.d.



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Folder 14 "The Idea of an Ampliative Probabilistic Inference," Holograph outline n.d.Folder 15 "The Illusion of Probabilistic Induction," Holograph n.d.Folder 16 "In Defense of Classical Physics," Typescript n.d.Folder 17 "Induction," Holograph notes n.d.Folder 18 "The Inquiring Mind," Typescript outline n.d.Folder 19 "The Insignificance of Definitions," Holograph n.d.Folder 20 "The Interpretation of Bell's Inequality and of the Aspect's Experiments," Holograph

n.d.Folder 21 "Is the Human Will Free?" Holograph n.d.Folder 22 "Is there a Quantum Logic?" Holograph n.d.Folder 13,Folder 1

"Joske's Two Problems," Typescript n.d.

Folder 2 "Knowledge Without Belief," Typescript speech n.d.Folder 3 "The Left-Hand Side of the Clauser and Horne Inequality: An Attempt to Localize a

Mistake," Holograph n.d.Folder 4 "Library," Holograph notes n.d.Folder 5 "Logic Derivations," Typescript n.d.Folder 6 "Natural Deduction and Sheffer Strokes," Holograph n.d.Folder 7 "A New Axiomatization of Probability," Holograph n.d.Folder 8 "A New Basis for General Semantics and General Syntax," Holograph. n.d.

Scope and Contents noteIncludes a footnote about semantical categories

Folder 9 "A New Model for One Mind-Body Problem," Typescript n.d.Folder 10 "Nichtwissen, Glaube, und Hoffnung," Holograph n.d.Folder 11 "Niels Bohr," Holograph n.d.Folder 12 "A Note on Carnap's 'Formalization of Logic'," Holograph notes and typescript. n.d.

Scope and Contents noteIncludes notes entitled "Generalized Lattices and Modal Logic"

Folder 13 "A Note on Evolution," Typescript n.d.Folder 14 "A Note on Four Interpretations of the Quantum Formalism," Typescript n.d.Folder 15 "A Note on Inductivism and the Ceteris Paribus Clause," Typescript n.d.Folder 16 "Note on Schrodinger for Irreversibility Paper," Typescript n.d. Notes, (approximate dates given when known). Holograph unless otherwise stated

n.d.Folder 17-23 MiscellaneousFolder 459,Folder 3

Miscellaneous

Folder 13,Folder 24

On Sigmund Freud

Folder 25 On Germany and nuclear war, after Typescript 1979.Folder 26 On inductionFolder 27 On memoryFolder 28 On prime numbersFolder 29-34 On probability (and induction)Folder 35 On the probability calculus (and induction), 1980s.

Scope and Content NoteIncludes two versions of holograph fragment

Folder 36 On Putnam's analogy thesis and on the Haldane argumentFolder 37 On rationality.

Scope and Content NoteIncludes translation by Karl Popper of part of Paul Bernays' letter of 1975 January 27

Folder 38 On realism



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Folder 39 On timeFolder 40 On the work of Carnap or TarskiFolder 41 While developing a theory of natural deduction, Holograph and typescript notes

and fragments. This material eventually went into the following publications:"Why are the Calculuses of Logic and Arithmetic Applicable to Reality?" "NewFoundations for Logic," "Logic without Assumptions," "Functional Logic withoutAxioms or Primitive Rules of Inference," "On the Theory of Deduction," and "TheTrivialization of Mathematical Logic" 1940s.

Folder 14,Folder 1

"Objective and Subjective Probability," Typescript n.d.

Folder 2 "On a Crucial Form of the Original Einstein-Podolsky-Rosen Experiment," Holographn.d.

Folder 3 "On Probability and Induction," Holograph n.d.Folder 4 "On Relative Logic," Holograph n.d.Folder 5 "On Some Measures of Independence," Holograph n.d.Folder 6 "On the Descriptive Function of Language," Holograph n.d.Folder 7 "On the Impossibility of Universal Induction," Notes, holograph, and typescript n.d.Folder 8 "On the Logic of Negation," Typescript n.d.Folder 9 "On the Logic of Quantum Mechanics," Notes and holograph n.d. "On the Power of the Probability Calculus to Solve the Problem of Induction," n.d.Folder 10 HolographFolder 11 TypescriptFolder 12 "On the Relation of Explanation to Description," Typescript n.d.Folder 13 "On the Role of Critical Arguments in Science and in Philosophy," Typescript n.d.Folder 14 "On the So-Called Rule of Succession," Holograph n.d.Folder 15 "On the Symmetry and Consistency of the Special Theory of Relativity," Typescript

n.d.Folder 16 "On the Theory of almost Rabid Inference, or p(a,b) = 1," Holograph n.d.Folder 17 "The Origin of the Subjectivist Interpretation of the Mathematical Theory of

Probability," Holograph n.d.Folder 15,Folder 1

"Philosophical Analysis and the Economic Relation," Typescript n.d.

Folder 2 "Philosophie," Typescript n.d.Folder 3 "Philosophy and the Sciences," Holograph n.d.Folder 4 "Philosophy, Science, and Art," Notes and incomplete typescript n.d.Folder 5 "The Physical Theory of the Nothing," Holograph n.d.Folder 6 "Pluralism in Physics: A Pluralistic Universe," Holograph n.d.Folder 7 "Postscript to Ulrich Hoger's Article," Holograph. n.d.

Scope and Contents noteIncludes Ulrich Hoger's article, entitled "Statistical Foundations of Wave-Mechanics"

Folder 8 "Pragmatism vs. Theoreticism," Holograph n.d.Folder 9 "The Present Problem of Knowledge," Holograph n.d.Folder 10 "Probabilistic Independence and Confirmation or Corroboration: Reply to the

Preceding Note" (originally entitled "Probability and Confirmation or Corroboration:Answer to Preceding Note"), Holograph and typescript n.d.

Folder 11 "Probabilistic Independence and Corroboration by Empirical Tests," Typescript n.d.Folder 12 "Probability, Causation, and So-Called Subjunctive Conditionals," Holograph and

typescript n.d.Folder 13 "Probability of a Theory," Holograph n.d.Folder 14 "The Probability of Laws and the Laws of Probability," Holograph n.d.Folder 15 "The Problem of Inductive Support," Holograph n.d.Folder 16 "The Problem of Superposition - of the Phase," Holograph n.d.Folder 17 "Problems, Insoluble and Soluble," Notes and outlines. See also "Philosophy and the

Sciences" and "Structure and Status of Scientific Theories" n.d.Folder 18 "Proof of Euclid's Theorem 'There Does Not Exist a Greatest Prime Number',"

Typescript n.d.Folder 19 "Die Prufbarkeit von statistischen Hypothesen," Typescript n.d.



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Folder 20 "Pure Science: Its Motives and Objectives," Broadcast conversation with Professor P.Percival. Typescript n.d.

Folder 21 "Quantum Theory and Action at a Distance," Holograph n.d.Folder 22 "Radical Nominalism," Notes, holograph, and typescript n.d.Folder 23 "Raum und Zeit," Holograph n.d.Folder 24 "Reason, Freedom, and Society," Speech. Notes, holograph, and typescript n.d. "A Refutation of Determinism," n.d.Folder 25 NotesFolder 26-29 Holograph (in part typescript)Folder 16,Folder 1-2

Typescript (in part holograph)

Folder 3 "A Refutation of Idealism, Phenomenalism, and Positivism," Speech, Moral SciencesClub, Cambridge, England. Holograph n.d.

Folder 4 "Relative Theory of Systems," Holograph n.d.Folder 5 "A Remark on Carnap's Version of Laplace's Rule of Succession," Typescript n.d.Folder 459,Folder 4

Remarks made in a discussion of an address by Willard Van Orman Quine, Typescriptn.d.

Folder 16,Folder 6

"Revolution and Continuity in Science," Typescript n.d.

Folder 7 "La Science est-elle un bien public?" Typescript speech n.d.Folder 8 "The Sciences Natural and Physical: What Is Science?" Typescript speech n.d.Folder 9 "Seeing Red," Holograph n.d.Folder 10 "Shortest Absolutely Random Sequences," Holograph n.d.Folder 11 "Significance and Limits of Demarcation," Holograph outline n.d.Folder 12 "The Significance of the Reflexive Paradoxes," Holograph n.d.Folder 13 "Simply Independent Postulates for Boolean Algebra" (Paper No. 1), Notes and

typescript n.d.Folder 14 "Some Comments on Truth and the Growth of Knowledge," Typescript n.d.Folder 15 "Some Fundamental Problems of the Theory of Probability," Three lectures held at

the Imperial College, London, England. Typescript n.d.Folder 16 "Some Remarks on Recent Philosophy," Typescript n.d.Folder 17 Speech in defense of science and mathematics, and against the attack on "the great

tradition," Holograph (in German) n.d.Folder 18 Speech on the history of some problems of physics, Holograph n.d.Folder 19 Speech on the philosophy of science (within the framework of a course entitled

"Recent Developments in Contemporary British Philosophy"), Typescript n.d.Folder 20 Speech on the probability calculus, (probably 1980s). Holograph of first two

paragraphs n.d.Folder 21 Speech on the theory of knowledge and on the philosophy of history, Typed

transcript n.d.Folder 22 Speech on various theories of artistic creativity, Typescript n.d.Folder 23 "A Statistical Experiment to Determine the Michelsonian Ether-Drift," Typescript n.d.Folder 24 "The Status of the Principle of Equivalence and of Mach's Principle in General

Relativity," Typescript n.d.Folder 25 "Structure and Status of Scientific Theories," Typescript n.d.Folder 26 "Three (Complexes of) Ideas of Political Philosophy," Holograph n.d.Folder 27 "Three Proofs of the Non-Existence of Inductive Probability," Speech. First page of

holograph n.d.Folder 28 "Towards a Liberal Theory of Public Opinion," Typescript remarks designed to

provide material for debate at a conference of Liberals n.d.Folder 29 "Towards a Local Explanatory Theory of the Einstein- Podolsky-Rosen-Bohm

Experiment" (with Thomas D. Angelidis), Typescript n.d.Folder 30 "Two Kinds of Induction," Holograph fragment (pages n.d. 1-6)Folder 31 "Uber die empirische Methode und den Begriff der Erfahrung," Typescript n.d.Folder 32 "The Vitality of Maxwell's Demon," Holograph and typescript n.d.Folder 33 "A World without Natural Selection but with Problem Solving," Holograph n.d.Folder 34 "Das Ziel der Naturwissenschaft," Typescript n.d.



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Folder 17,Folder 1

"Zur Methodenfrage der Denkpsychologie," Ph.D. dissertation, Universitat zu Wien,Vienna, Austria. Typescript 1928.

"Ein Kriterium des empirischen Charakters theoretischer Systeme," Erkenntnis,1932-1933

German versionFolder 2 TypescriptFolder 459,Folder 5

Printed copy

Folder 17,Folder 3

English version. Typescript (prepared in the 1950s as appendix for The Logic ofScientific Discovery )

Logik der Forschung, 1934Folder 4 General.

Scope and Content NoteIncludes research material for various revisions, and correspondence, 1975-1984

German version First edition, 1934Folder 5 General CorrespondenceFolder 6 Unidentified, 1932-1935Folder 7 McWhirter, Mr., n.d.Folder 8-10 TypescriptFolder 18,Folder 1

Typescript

ReviewsFolder 2 German, 1935-1937Folder 3 English, 1935-1936Folder 4 Italian, 1936Folder 5 Polish, 1936 Second edition, 1966Folder 6 Correspondence, 1963-1965Folder 7 Foreword, Typescript and holograph 1960-1961.Folder 8 Appendices. German translation of 'New Appendices,' first English edition,

Typescript 1959.Folder 9 Corrections of earlier English edition for use in second German edition.

TypescriptFolder 10 Proofs, 1964Folder 19,Folder 1

Proofs, 1964

Folder 2 Reviews, 1967-1970 Third edition, 1969Folder 3 Foreword. TypescriptFolder 4 Appendix, Typescript and holograph 1968.Folder 5 Corrections and retyped pages ReviewsFolder 6 German, 1969-1970Folder 7 Greek, 1970 Fourth edition, 1971Folder 8 Corrections of third German edition for use in fourth German edition (1969)Folder 9 Correspondence, 1971Folder 10 Proofs ReviewsFolder 11 GermanFolder 12 SpanishFolder 20,Folder 1

Fifth edition, Typescript 1973.

Seventh edition, 1982Folder 2 General



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Folder 3 Correspondence, 1980-1982.Scope and Content NoteIncludes extensive corrections, particularly to 'New Appendices'

Folder 4 Foreword. TypescriptFolder 5 Afterword (not published in seventh edition). TypescriptFolder 6 Appendix *XV. Typescript (in German and English)Folder 7 Appendix *XVI. TypescriptFolder 8 CorrectionsFolder 9 ProofsFolder 10 Promotional materialFolder 11 Reviews Eighth edition, 1984Folder 12 Correspondence, 1984Folder 13 Appendix *XIX. HolographFolder 14 Promotional material English version First edition, 1959Folder 15 General CorrespondenceFolder 16 Simon and Schuster, Inc., n.d.Folder 17 William Hodge & Co. Ltd., 1937-1941Folder 21,Folder 1-11

Typescript and holograph







Folder 3-7 ProofsFolder 8 Promotional material Reviews, 1959-1960 EnglishFolder 9 General.

Scope and Content NoteIncludes replies to reviewers

Folder 10 Correspondence with Tim Raison, 1959.

Scope and Content NoteIncludes correspondence with Albert Einstein (transcript), 1935, and PeterB. Medawar, 1959

Folder 25,Folder 1

French

Folder 2 PolishFolder 3 SpanishFolder 4 Fourth impression, revised, General. 1965.

Scope and Content NoteIncludes French translation of preface and errata slips

Second edition, 1968Folder 5 Correspondence, n.d.Folder 6-10 Typescript and holograph. Consists primarily of corrections to appendicesFolder 11 Review Third edition, 1972



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Folder 12-13 Corrections and addendaFolder 26,Folder 1-2

Printed copy (of second edition, with annotations 1968)

Folder 3 ProofsFolder 4-5 Eighth impression, Page proofs 1975. Tenth impression, revised, 1980Folder 6 Correspondence, 1979Folder 7 Printed copy (of third edition) with annotationsFolder 8 Preface to the edition. Holograph 1985 Spanish version, 1962Folder 9 Correspondence, 1962Folder 10 Corrections of first English edition for use in first Spanish edition (1959)Folder 11 Reviews, 1975-1976Folder 12 Italian version, Preface. Typescript 1970. Japanese version, Correspondence 1971.Folder 13 GeneralFolder 14 Mori, Hiroshi, 1959-1971 French version, 1973Folder 15 Correspondence, 1972Folder 16 Reviews Chinese versionsFolder 17 Note re translation for the Chinese version, n.d.Folder 459,Folder 6

Translation of Chapter 1 ("A Survey of Some Fundamental Problems"), inPhilosophical Problems of Natural Sciences ( Ziran Kexue Zhexue WentiConkam ), Printed copy 1981.

Folder 26,Folder 18

Dutch version, Correspondence, 1968 n.d.

Folder 19 "Wittgenstein's Ethics," Speech. Holograph and typescript 1934. "Zur Kritik der Ungenauigkeitsrelationen," Die Naturwissenschaften, 1934 TypescriptFolder 27,Folder 1

Drafts by Karl Popper

Folder 2 Drafts edited by Troels Eggers Hansen, 1982Folder 3 Printed copyFolder 4 Correspondence with Troels Eggers Hansen, 1983Folder 459,Folder 7

"'Induktionslogik' und 'Hypothesenwahrscheinlichkeit,'" Erkenntnis, Printed copy1935.

Folder 27,Folder 5

"A Set of Axioms for Probability," Typescript. 1937.Scope and Contents noteIncludes correspondence and notes

Folder 6 Book fragment relating to symbolic logic, 1940s. Holograph.

Scope and Contents noteIncludes draft (on verso) of reply to G. J. De Vries' review of Karl Popper, The OpenSociety and its Enemies

Folder 7 Speeches relating to fundamental ideas of The Open Society and Its Enemies, and to

ethics, Typescript. undated.General noteSee also "Public and Private Values" (box 39, folder 17) and Speech on The Open Societyand Its Enemies (box 466, folder 14)

"What is Dialectic?" Mind, German version, 1965 1940.Folder 8 TypescriptFolder 9-10 Printed copy



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Folder 11 "The Changing Bases of Society: Trends Likely to Influence the Future," Two radiobroadcast scripts, National Broadcasting Services, Christchurch, New Zealand (otherparticipants in the discussions were Colin G. F. Simkin, Hugh N. Parton, P. Percival).Typescript 1941 July 23.

Folder 12 "An Independent Set of Axioms for Lattices, with Complete Subsets," Typescript ca.1944.

"The Poverty of Historicism," Economica, 1944-1945. See The Poverty of Historicism,1957

Folder 13 Review of Bertrand Russell, A History of Western Philosophy, Typescript 1945. The Open Society and Its Enemies, 1945 English versionFolder 14-15 General Correspondence, 1956-1982.

Scope and Content NoteIncludes correspondence neither to nor from Karl Popper

Folder 16 General.

Scope and Content NoteIncludes corrections

Folder 17 Panine, Dimitri First edition, 1945 CorrespondenceFolder 28,Folder 1

General, 1948-1949

Braunthal, AlfredFolder 2 1943Folder 3 1944Folder 4 Condliffe, Professor, 1943Folder 5 Drucker, Doctor, n.d. Hellin, FrederickFolder 6 1942Folder 7 1943Folder 8 1945Folder 9 Hibbert Journal, 1948.

Scope and Content NoteIncludes correspondence with Dr. Mellone, 1948

Folder 10 Mabbott, J. W., 1947Folder 11 Moore, G. E., 1948Folder 12-16 TypescriptFolder 29,Folder 1-4

Typescript

ReviewsFolder 5-6 English.

Scope and Content NoteIncludes correspondence, 1946

Folder 30,Folder 1

German

Folder 2 Clippings Second edition, 1950Folder 3 General. Published excerptFolder 4 Preface. TypescriptFolder 5-6 Proofs



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Folder 7 Reviews.Scope and Content NoteIncludes correspondence with Professor Walther, 1952

Third edition, 1957Folder 8 CorrectionsFolder 9 ProofsFolder 10 Reviews. German Fourth edition, 1962 CorrespondenceFolder 11 Jarvie, Ian Charles, n.d.Folder 12 Mates, Benson, 1962Folder 13 Routledge & Kegan Paul Ltd., 1961Folder 14 Typescript. GeneralFolder 15 Addendum, "The Dating of the Theaetetus." TypescriptFolder 16 Addendum, "Facts, Standards, and Truth: A Further Criticism of Relativism."

TypescriptFolder 31,Folder 1-3

Addendum, "Facts, Standards, and Truth: A Further Criticism of Relativism."Typescript

Folder 4-5 Addendum, "Reply to a Critic," formerly "Reply to my Critics." Typescript andholograph

Folder 6 Appendix. Reply to G. S. Kirk, "Popper on Science and the Presocratics" (notpublished in fourth edition). Typescript

Folder 7 Index. TypescriptFolder 32,Folder 1

Proofs. Index and addenda only

Folder 2 Printed copyFolder 3 Revised version, Corrections 1963. Fifth edition, 1966 CorrespondenceFolder 4 Magee, Bryan, 1966Folder 5 Musgrave, Alan, 1965Folder 6 Routledge & Kegan Paul Ltd., 1965Folder 7 Typescript and holograph. Primarily corrections to fourth editionFolder 8 ProofsFolder 9 Printed copy with annotations for future corrections.

Scope and Content NoteIncludes correspondence with Jeremy F. G. Shearmur


Page proofs

Folder 34,Folder 1

Page proofs

Folder 2 Printed copyFolder 3 Reviews Dutch version, 1950Folder 4 ClippingsFolder 5 Correspondence with P. Geyl, 1951.

Scope and Content NoteIncludes review by P. Geyl

Folder 6 Reviews.


Folder 7 Spanish version, Review 1957.



86039 15

German version First edition, 1957-1958Folder 8 General.


Folder 9-12 Typescript and holograph.

Scope and Content NoteIncludes correspondence with translator

Folder 13 Proofs.

Scope and Content NoteIncludes correspondence

Folder 14 ReviewsFolder 15 Second edition, Reviews 1970.Folder 16 Third edition, Proofs 1973.Folder 17 Fifth edition, Correspondence, 1976 1977.Folder 35,Folder 1

Japanese version, Correspondence, 1976 1973.

French version, 1979Folder 2 Preface and dedication. Holograph and typescriptFolder 3 Review Greek version, 1980 CorrespondenceFolder 4 UnidentifiedFolder 5 Giannaras, Anastasios, 1976-1977 Papadaki, IreneFolder 6 1977Folder 7 1978Folder 8 1979.

Scope and Content NoteIncludes typescript preface

Folder 9 1980Folder 10 1981Folder 11 1982Folder 12 1983Folder 13 1984Folder 14 Theodorakopoulos, I. N., 1977Folder 15 Tournikiotis, L. G., 1977Folder 16 Preface. TypescriptFolder 17 Reviews in Greek and in English (translated by Irene Papadaki), 1980-1981.

Scope and Content NoteIncludes Karl Popper's letter to the editor of Kathimerini and his reply to a review

Folder 18 Persian version, 1984.

Scope and Content NoteIncludes correspondence with Ali A. Mohajer, 1984

Folder 19 Review of Friedrich Engel-Janosi, The Growth of German Historicism, Economica,

Typescript and printed copy 1945.Folder 20-21 "Principles of Scientific Method," Lectures, University of Otago, Dunedin, New

Zealand. Typescript and notes based on lectures 1945 May 22-26.Folder 36,Folder 1

"Comments on the Paper on Goedelian Sentences," Review of unidentified article.Holograph ca. 1946.



86039 16

Folder 2 Proposals, relating to the treatment of Germany and the Germans following WorldWar II. Typescript. ca. 1946,

Scope and Contents noteIncludes a memorandum from Vera Anstey

"Why are the Calculi of Logic and Arithmetic Applicable to Reality?" Proceedings of

the Aristotelian Society, 1946Folder 3 General.

Scope and Content NoteIncludes material relating to the conference

Folder 4 NotesFolder 5-6 HolographFolder 7 TypescriptFolder 8 Printed copyFolder 9 German translation. Typescript "Methods in Philosophy," Speech, Cambridge University Moral Science Club,

Cambridge, England 1946 October 25.Folder 10 Holograph CorrespondenceFolder 11 Bennett, Cheryl, 1968.

Scope and Content NoteIncludes correspondence neither to nor from Karl Popper and copy of the meeting'sminutes

Folder 12 Edgerton, Stephenie G., 1968.

Scope and Content NoteIncludes fragment of a book by Professor McLendon relating to the Moral ScienceClub meeting

Folder 13 Untitled monograph (with Paul Bernays), Holograph ca. 1947.Folder 14-16 "New Foundations for Logic," Mind, Typescript and holograph 1947. "The Propositional and Functional Logic of Derivation and of Demonstration," 1947Folder 17-19 CorrespondenceFolder 20 HolographFolder 21 TypescriptFolder 22 "Social Institutions and Social Responsibility," Typescript (reply to Rush Rhees,

"Social Engineering," 1947) 1947. "Logic without Assumptions," Speech, Aristotelian Society, London, England 1947

May 5.Folder 23 Notes.

Scope and Content NoteIncludes correspondence with Willard Van Orman Quine, n.d.

Folder 37,Folder 1


Folder 2 Printed copy (as published in Proceedings of the Aristotelian Society, 1947)Folder 3 Review, 1948.

Scope and Content NoteIncludes a review of "New Foundations for Logic," Proceedings of the AristotelianSociety, 1947

"Utopia and Violence," Speech, Rencontres Philosophiques de Bruxelles, Institut des

Arts, Brussels, Belgium 1947 June. English published version, 1948Folder 4 Typescript



86039 17

Folder 5 Printed copy (as published in Conjectures and Refutations, 1962) Japanese version, Correspondence 1963.Folder 6 Ichii, Saburo, 1963Folder 7 Takiguchi, Mitsuko, 1963 German published version, 1968Folder 8 TypescriptFolder 9 ProofsFolder 10 Printed copy (as published in Kritischer Rationalismus und Sozialdemokratie,

1975, and Logik, Mathematik und Philosophie des Transzendenten, 1977)Folder 11 "On the General Theory of Derivation, and the Definitions of Classical and Intuitionist

Negation," Notes and typescript. 1947 November.Scope and Contents noteIncludes letter to L. E. J. Brouwer

Folder 12 "What Can Logic Do for Philosophy?" 1948 July 11. Speech, Aristotelian Society,

London, England (published in Proceedings of the Aristotelian Society, Printed copieswith corrections 1948).

Folder 13 "Towards a Rational Theory of Tradition," Speech, Third Annual Conference of theRationalist Press Association, Magdalen College, Oxford, England. 1948 July 26.

Scope and Contents noteIncludes correspondence, 1959

"On the Theory of Deduction," Speech, 10th International Congress of Philosophy,

Amsterdam, Holland (published in Proceedings of the Koninklijke NederlandscheWetenscappen: Proceedings of the Section of Sciences, 1948 August 11-18. 1948)

Folder 14 Printed copyFolder 15 Review "Prediction and Prophecy and the Significance for Social Theory," 1948 August 11-18.

Speech, 10th International Congress of Philosophy, Amsterdam, Holland (publishedin Proceedings of the 10th International Congress of Philosophy, 1948)

Folder 16 General.Scope and Content NoteIncludes correspondence with organizing committee, 1948

English versionFolder 17 ProofsFolder 18 Printed copyFolder 19 German version, Printed copy 1965. "The Trivialization of Mathematical Logic," Paper, 10th International Congress of

Philosophy, Amsterdam, Holland 1948 August 11-18.Folder 20 TypescriptFolder 21 Printed copy with corrections "Naturgesetze und theoretische Systeme," 1948 August 24. The European Forum

Alpbach 1948, Alpbach, Austria (published in Gesetz und Wirklichkeit, 1949) German version.

Scope and Content NoteIncludes materials relating to the Alpbach Forum

Folder 22 GeneralFolder 23 Correspondence with Simon Moser, 1949Folder 24 Typescript.

Scope and Content NoteIncludes typescripts of discussions

English versions. Typescript



86039 18

Folder 38,Folder 1

"Laws of Nature and Theoretical Methods"

Folder 2 "The Bucket and the Searchlight: Theories of Knowledge" (final version: "TheBucket and the Searchlight: Two Theories of Knowledge," Objective Knowledge,1972)

Folder 3 "Wahrer und falscher Rationalismus," Holograph speech. 1949.Scope and Contents noteIncludes notes and correspondence with Hans Barth, 1949

Folder 4 Contribution, Philosophy Working Group, The European Forum Alpbach 1949,

Alpbach, Austria, Typescript 1949 August 23-September 2.Folder 5 "Autonomous and Independent Axiom Systems for the Classical and Intuitionist

Calculi of Probabilities," Typescript and holograph 1950?Folder 6 "Lande's Blade, Propensities and the Direction of Time," Holograph ca. 1950.Folder 7 Table of contents for book never written, Typescript 1950s. "Indeterminism in Quantum Physics and in Classical Physics," The British Journal for

the Philosophy of Science, 1950 (expanded version of paper read before the BritishSociety for the History of Science, 1948 November 15)

Folder 8 Typescript, "Indeterminism in Classical Physics and Quantum Physics"Folder 9-10 Typescript and holographFolder 39,Folder 1

Printed copy

Folder 2 Printed copy with annotations (for inclusion in "Prediction and Prophecy")Folder 3 "Reflections on Science and Philosophy in our Time," Two speeches: "The Challenge

to Reason," and "The Task of Social Philosophy," University of Chicago, Illinois.Holograph (consists primarily of notes and outlines) 1950.

"The Study of Nature and Society," The William James Lectures, Department ofPhilosophy, Harvard University, Cambridge, Massachusetts. Holograph (consistsprimarily of notes and outlines) 1950 February 16-April 27.

Folder 4 GeneralFolder 5 Lecture no. 1: "Is Science Still Interesting?" February 16Folder 6 Lecture no. 2: "Understanding Nature - The Passing of an Illusion," February 23Folder 7 Lecture no. 3: "Explanations and Tests," March 2Folder 8 Lecture no. 4: "The Tradition of Science and the Postulate of Independent

Evidence," March 9Folder 9 Lecture no. 5: "Indeterminism and the Reality of Time," March 16.

Scope and Content NoteIncludes "Indeterminism in Quantum Physics and in Classical Physics," 1950

Folder 10 Lecture no. 6: "Do We Control Nature and Can We Control Society?" March 23Folder 11 Lecture no. 7: "The Plight of the Social Sciences," March 30.

Scope and Content NoteIncludes "Prediction and Prophecy and their Significance for Social Theory," 1948

Folder 12 Lecture no. 8: "Understanding Society," April 13Folder 13 Lecture no. 9: "Social Science and Social Philosophy," April 20Folder 14 Lecture no. 10: "The Ethics of Despair and the Ethics of Reason," April 27Folder 15 "The Situation in Contemporary Philosophy," Speech. Holograph notes 1950 October

8.Folder 16 "Introducing the Conceptions of Scientific Realism and of Metaphysical Realism,"

Speech, Metalogical Society. Holograph outline 1950 November 23.Folder 17 "Public and Private Values," Speech. Typescript and holograph 1951.

General noteSee also Speech relating to fundamental ideas of The Open Society and Its Enemies (box27, folder 7)



86039 19

Folder 18 "A Criticism of Operationalism and Related Views," Speech, Philosophy of ScienceGroup. Typescript abstract 1951 May 21.

"The Classical Conditional," 1952Folder 19 Correspondence, 1952Folder 20-21 Typescript and holograph "Humanism and Reason," The Philosophical Quarterly, 1952. Review of E. Grassi and

T. von Uexkull, Von Ursrpung und Grenzen der Geistwissenschaften undNaturwissenschaften, 1950

Folder 22 TypescriptFolder 23 ProofsFolder 24 "The Nature of Philosophical Problems and Their Rooots in Science," The British

Journal for the Philosophy of Science, Typescript 1952. "The Role of the Scientist in Society Today," Speech, The English Speaking Union of

the British Commonwealth, London, England 1952 September 26-28.Folder 40,Folder 1

General

Folder 2 Correspondence, 1952Folder 3 Notes "Complementarity and the Two-Slit Experiment," 1953Folder 4 Correspondence with Erwin Schrodinger, 1953Folder 5 HolographFolder 6 Typescript "A Defence of Free Thinking in Quantum Theory," Speech, Cambridge University

Philosophy of Science Club, Cambridge, England. 1953.Scope and Contents noteIncludes notes on complementarity and the two-slit experiment. See also"Complementarity and the Two-Slit Experiment," 1953

Folder 7 Correspondence with Norwood Russell Hanson and Keith L. Manchester, 1953Folder 8-10 Typescript and holographFolder 11 "A Note on Berkeley as Precursor of Mach," The British Journal for the Philosophy of

Science, Typescript 1953. "Philosophy of Science: A Personal Report," 1953 July 30. Speech, Peterhouse,

Cambridge, England. Typescript for publication in British Philosophy in Mid-Century,1957

Folder 12 General CorrespondenceFolder 13 Braithwaite, Richard B., 1952Folder 14 Farrer, Evelyn, 1953Folder 15 Fenizio, Ferdinando di, 1956-1957Folder 16 Korner, Stephan, 1957Folder 17 Mace, C. Alec, 1953-1963Folder 18 Masterman, Margaret, 1953Folder 19 Stone, A. H., 1957Folder 20 Tomlin, E. W. F. T., 1953Folder 21 Unwin, Philip, 1970Folder 22 Unwin, Stanley, 1957Folder 23 Wisdom, John Oultan, n.d.Folder 24 TypescriptFolder 25 NotesFolder 41,Folder 1

Typescript from sound recording of speech

Folder 2-4 TypescriptFolder 5 ProofsFolder 6 Printed copy "Language and the Body-Mind Problem: A Restatement of Interactionism," Speech,

11th International Congress of Philosophy, Brussels, Belgium 1953 August 20-26.



86039 20

Folder 42,Folder 1

General

Folder 2 Correspondence, 1951-1953Folder 3-4 Notes.

Scope and Content NoteIncludes excerpts from correspondence with John C. Eccles, 1952, and notes entitled"The Descriptive and Argumentative Functions of Human Language"

Folder 5 HolographFolder 6 TypescriptFolder 7 ProofsFolder 8 "Theorie und Erfahrung," Speech, Berlin, Germany. Typescript. 1953 September 21.

Scope and Contents noteIncludes reply by Herbert Stachowiak

Miseria dello storicismo, 1954. See The Poverty of Historicism, 1957 "The Construction of Shortest Random-Like Sequences of Degree n" (with L. R. B.

Elton), 1954-1955Folder 9 Correspondence.

Scope and Content NoteIncludes letter from Hermann Bondi

Folder 10 HolographFolder 11 Typescript "Immanuel Kant: Philosopher of the Enlightenment," 1954 February 5. Radio

broadcast, British Broadcasting Corporation, London, England (published in TheListener, 1954 February 18)

Folder 12 OutlineFolder 13 HolographFolder 14 TypescriptFolder 15 Printed copy.

Scope and Content NoteIncludes announcement

"Self-Reference and Meaning in Ordinary Language," Mind, 1954 AprilFolder 43,Folder 1

Correspondence, including with Gilbert Ryle, 1953.Scope and Content NoteIncludes typescript

Folder 2 HolographFolder 3 TypescriptFolder 4 Printed copyFolder 5 "Axioms for Relative Probability (Elementary Theory)," Typescript 1954 June 11. "Degree of Confirmation," The British Journal for the Philosophy of Science, 1954

AugustFolder 6 CorrespondenceFolder 7 HolographFolder 8 TypescriptFolder 9 Proofs "Die Philosophie und die Wissenschaften," Speech, The European Forum Alpbach

1954, Alpbach, Austria 1954 August 19.Folder 10 General German versionFolder 11 HolographFolder 12 TypescriptFolder 13 Clipping



86039 21

English versionFolder 14 Holograph.

Scope and Content NoteIncludes outlines and notes

Folder 15 Typescript "On a Proposed Solution of the Paradox of the Liar," Speech, Association for

Symbolic Logic, Amsterdam, Holland 1954 September 1.Folder 16 General CorrespondenceFolder 17 Heyting, Arend, 1954Folder 18 Schrodinger, Erwin, 1954Folder 19 NotesFolder 20-22 HolographFolder 23 Typescript "Towards a Liberal Theory of Public Opinion," Speech, Mont Pelerin Conference,

Venice, Italy 1954 September 6-11.Folder 24 Version for speech. Outline, typescript, and holograph Versions for publication English, 1955-1956Folder 25 Correspondence, 1955Folder 26 Typescript, 1955? (intended for publication in Encounter, but not published)Folder 27 Typescript, 1956 (published as "Public Opinions and Liberal Principles,"

Conjectures and Refutations, 1963)Folder 28 Italian, Printed copy 1955. German 1956Folder 29 Correspondence, 1955-1961Folder 30 TypescriptFolder 31 ProofsFolder 32 Printed copyFolder 33 1984. Printed copy from Auf der Suche nach einer besseren Welt, 1984Folder 44,Folder 1-7

"The Demarcation between Science and Metaphysics," in Paul Arthur Schilpp, ed.,The Philosophy of Rudolf Carnap, Typescript. 1955.


"A Note on Tarski's Definition of Truth," Mind, 1955Folder 8 HolographFolder 9-10 Typescript and holographFolder 11 "A Note on the Body-Mind Problem: Reply to Professor Wilfrid Sellars," Analysis,

1955. Printed copy and typescript (with corrections for its appearance in Conjecturesand Refutations, 1962)

"A Paradox of Measure Theory," 1955Folder 12 Correspondence with Professor Copeland, 1955Folder 13 Typescript and holograph "Two Autonomous Axiom Systems for the Calculus of Probabilities," British Journal

for the Philosophy of Science, 1955Folder 14 Letter from W. B. Elton, 1955Folder 15 Notes Typescript and holographFolder 16 GeneralFolder 17 "Autonomous and Independent Axiom Systems for the Classical and Intuitionist

Calculi of Probabilities" "Adequacy and Consistency: A Second Reply to Dr. Bar-Hillel," The British Journal for

the Philosophy of Science, 1956



86039 22

Folder 45,Folder 1

General.Scope and Content NoteIncludes Yehoshua Bar-Hillel, "Further Comments on Probability and Confirmation: ARejoinder to Professor Popper"

Folder 2 Correspondence, 1956Folder 3 Typescript Misere de l'historicisme, 1956. See The Poverty of Historicism, 1957 "Three Views Concerning Human Knowledge," Contemporary British Philosophy, 1956 English version, 1956Folder 4 OutlineFolder 5 TypescriptFolder 6 ProofsFolder 7 Italian version, Printed copy 1958. "The Arrow of Time," Nature, For replies and counterreplies, see "Irreversibility and

Mechanics," 1956 August 18; "Irreversible Processes in Physical Theory," 1957 June22; "Irreversibility, or Entropy since 1905," 1957 August; "Irreversible Processes inPhysical Theory," 1958 February 8; "Time's Arrow and Entropy," 1965 July 17; "Time'sArrow and Feeding on Negentropy," 1967 January 21; "Structural Information and theArrow of Time," 1967 April 15 1956 March 17.

Folder 8 TypescriptFolder 9 ProofsFolder 10 Printed copy CorrespondenceFolder 11 Blair, G. W. Scott, 1956Folder 12 Bondi, Hermann, 1956Folder 13 Nature, 1956.


Folder 14 Schlegel, Richard, 1956Folder 15 Whitrow, Gerald J., 1955Folder 16 Notes on logic, Holograph 1956 May 13. "Reason and Tradition: Problems of the Open Society," Lecture series, Conference on

Social Theory, Department of Sociology, Emory University, Atlanta, Georgia.Typescript and holograph (consists primarily of notes and outlines) 1956 June 25-July6.

Folder 17 GeneralFolder 18 NotesFolder 19 Lecture no. 1, untitledFolder 20 Lecture no. 2, untitledFolder 21 Lecture no. 4, untitledFolder 22 Lecture no. 5, untitledFolder 23 Lecture no. 6, "Whig and Tory Epistemology," July 5Folder 24 Lecture no. 7, "The New Renaissance," July 6 "Irreversibility and Mechanics," Nature, Reply to Richard Schlegel 1956 August 18.Folder 25 TypescriptFolder 26 Printed copy "Entropy since 1905," Speech, Annual Conference of the Philosophy of Science

Group, Manchester, England 1956 September 21-23.Folder 27 General.

Scope and Content NoteIncludes research material

Folder 28 NotesFolder 29 HolographFolder 30 Typescript



86039 23

"The Non-Existence of Scientific Method," Autumn? Speech, Stanford, California 1956 CorrespondenceFolder 31 Unknown, 1956Folder 32 Russell, Bertrand, 1957Folder 33 Typescript "The Riddle of Experience," Radio broadcast, British Broadcasting Corporation,

London, England 1956 October 1.Folder 34 GeneralFolder 35 Typescript.

Scope and Content NoteIncludes correspondence with T. S. Gregory, 1956

"The History of Our Time: An Optimist's View," Sixth Eleanor Rathbone Memorial

Lecture, University of Bristol, England 1956 October 12.Folder 46,Folder 1

General

Folder 2 Correspondence, 1956Folder 3 NotesFolder 4 HolographFolder 5 Typescript.

Scope and Content NoteIncludes correspondence with suggested corrections

Folder 6 "Reply to Professor Carnap," British Journal for the Philosophy of Science,

Typescript. 1956 November.Scope and Contents noteIncludes Rudolf Carnap, "Remarks on Popper's Note on Content and Degree ofConfirmation"

Folder 7 "Against Induction: One of Many Arguments," Ratio, Typescript and holograph 1957. "The Aim of Science," Ratio, 1957 English version 1957Folder 8 Typescript. Section 15 from the early manuscript of Postscript to the Logic

of Scientific DiscoveryFolder 9 Proofs 1959Folder 10 TypescriptFolder 11 Printed copyFolder 12 Printed copy 1969.Folder 13 Italian version, Printed copy 1962. German versionsFolder 14 Undated. Printed copyFolder 15 second revised version. Printed copy of 1964 first revised version, with

corrections 1972, The Poverty of Historicism, 1957Folder 47,Folder 1

General

English version Journal edition, as published in Economica, 1944-1945Folder 2-3 TypescriptFolder 4 Proofs Book edition First edition, 1957Folder 5 GeneralFolder 6 Proofs of journal edition, with corrections for first book edition

1944-1945,



86039 24

Folder 7 TypescriptFolder 8 Proofs ReviewsFolder 9 English, 1957-1958Folder 10 Polish, 1958 CorrespondenceFolder 11 Unidentified, 1957Folder 12 Meyer, Justus, 1957Folder 13 Sabine, George H., 1957Folder 14 Woolley, Geoffrey, 1957 Second edition, 1960Folder 15 GeneralFolder 16 Typescript. CorrectionsFolder 17 Correspondence with Ichii Shaburo, 1961 Second edition, corrected, 1963Folder 18 Printed copy of second edition, with corrections 1960,Folder 19 Reviews. English, 1965 Italian version, 1954Folder 48,Folder 1

General

Folder 2 Preface. TypescriptFolder 3 Proofs ReviewsFolder 4 GeneralFolder 5 Pasquinelli, Alberto.


French version, 1956 CorrespondenceFolder 6 Leroy, Andre Louis, 1956.

Scope and Content NoteIncludes review

Folder 7 Librairie Plon, 1981Folder 8 Review, 1960 German version First edition, 1965Folder 9 Foreword and dedication. TypescriptFolder 10 Reviews, 1966-1967Folder 11 Second edition, Proofs 1969. Third edition, 1971Folder 12 Correspondence with Hans Georg Siebeck, 1970Folder 13 Proofs. Corrected proofs of second edition, 1969Folder 14 Reviews, 1972 Fifth edition, 1979Folder 15-16 ProofsFolder 17 Reviews Japanese version, 1965Folder 18 General CorrespondenceFolder 19 GeneralFolder 20 Choukoron-Sha, Inc., 1959-1966Folder 21 Heibonsha Limited, 1957-1958Folder 22 Ichii, Saburo, 1957-1959Folder 23 Iwanami Shoten, Publishers, 1963Folder 24 Misuzu Shobo Publishing Co., 1958-1959



86039 25

Folder 25 "A Problem in Probability Theory," Speech, Berkeley-Stanford Colloquium in Logicand Methodology, Stanford University, Stanford, California. Typescript, holograph,correspondence, and announcement 1957 January 18.

"The Propensity Interpretation of the Calculus of Probability and Quantum Theory,"Speech, Colston Research Society of Bristol, University of Bristol, England 1957 April1-4.

Folder 26 GeneralFolder 27 Correspondence with Stephan Korner, 1956.


Folder 28 TypescriptFolder 29 Printed copy with corrections (for unidentified publication, 1973)Folder 30 Printed copyFolder 31 "Irreversible Processes in Physical Theory," Nature, 1957 June 22. Reply to Edward L.

Hill and Adolf Grunbaum. Notes, holograph, typescript, printed copy, andcorrespondence with Nature

"Irreversibility; or Entropy since 1905," The British Journal for the Philosophy ofScience, 1957 August

Folder 32 TypescriptFolder 33 ProofsFolder 34 Printed copy "Probability Magic, or Knowledge out of Ignorance," Dialectica, 1957 September

15-December 15. Abridgement of chapter from the early manuscript of Postscript tothe Logic of Scientific Discovery

CorrespondenceFolder 49,Folder 1

Gonseth, Ferdinand, 1956-1957

Folder 2 Maurer, E., 1956-1957Folder 3 Typescript.

Scope and Content NoteIncludes summary

Folder 4 Printed copyFolder 5 Speech relating to natural language, Typescript 1957 November. "On Mr. Roy Harrod's New Argument for Induction," The British Journal for the

Philosophy of Science, 1958Folder 6 HolographFolder 7 TypescriptFolder 8 Correspondence, 1958.

Scope and Content NoteIncludes proofs

"A Third Note on Degree of Corroboration or Confirmation," The British Journal for

the Philosophy of Science, 1958.Folder 9 Typescript and holographFolder 10 Printed copy "Irreversible Processes in Physical Theory," Nature, Reply to R. C. L. Bosworth 1958

February 8.Folder 11 CorrespondenceFolder 12 TypescriptFolder 13 Printed copy "Remarques critiques sur la philosophie analytique," Speech, Fourth International

Seminar on Analytical Philosophy, Royaumont, France 1958 April 7-13.



86039 26

Folder 14 General.Scope and Content NoteIncludes correspondence, 1958

Folder 15 TypescriptFolder 16 "The Imperfect or Very Weak Modular Law," Holograph 1958 June 27. "On the Status of Science and Metaphysics: Two Radio Talks," 1958 July 2. Radio

broadcasts entitled "Experience and Logic" and "The Problem of the Irrefutability ofPhilosophical Theories," Freie Universitat Berlin, Germany (first published in Ratio,1958).

Folder 17 HolographFolder 18 TypescriptFolder 19 Proofs.

Scope and Content NoteIncludes correspondence with Richard Blackwell, 1958

Folder 20 German translation, revised version, Printed copy 1959. "Zum Thema Freiheit," 1958 August 25. Speech, The European Forum Alpbach 1958,

Alpbach, Austria (subsequently published in Die Philosophie und die Wissenschaften:Simon Moser zum 65. Geburtstag, 1967)

Folder 21 German version.Scope and Content NoteIncludes printed copy

Folder 22 English version, 1965 "Philosophy and Physics: The Influence on Physics of Some Metaphysical

Speculations on the Structure of Matter," 1958 September 12-18. Paper, 12thInternational Congress of Philosophy, Venice, Italy (published in Atti del XIIcongresso internazionale di filosofia, 1958)

Folder 23 General English versionFolder 24 Correspondence, 1958.

Scope and Content NoteIncludes illustrations

Folder 25 HolographFolder 26 TypescriptFolder 27 Printed copyFolder 28 German version, Typescript 1960.Folder 50,Folder 1

"Back to the Presocratics," Speech, Aristotelian Society, London, England. Typescript1958 October 13.

"Interpretation of Indeterminacy Formulae," 1959?Folder 2 Correspondence with P. W. Higgs, 1960Folder 3 HolographFolder 4 Typescript "A Note on Logically False Evidence Statements," 1959?Folder 5 HolographFolder 6 TypescriptFolder 7 Review "A Note on the Tunnel Effect," 1959?Folder 8 NotesFolder 9 HolographFolder 10 Typescript "Some Comments on Heisenberg's Principle of Indeterminacy," 1959?Folder 11 HolographFolder 12 Typescript



86039 27

Untitled, Relates to indeterminism and Heisenberg's formula 1959?Folder 13 HolographFolder 14 TypescriptFolder 15 "On Subjunctive Conditionals with Impossible Antecedents," Mind, Typescript. 1959.

Scope and Contents noteIncludes correspondence with Gilbert Ryle, 1959

"Woran glaubt der Westen?" 1959. Speech, Zurich, Switzerland (published in

Erziehung zur Freiheit, 1959)Folder 16 TypescriptFolder 17 Printed copyFolder 18 English translation, modified version. Typescript "The Propensity Interpretation of Probability," The British Journal for the Philosophy

of Science, " 1959 MayFolder 19 Correspondence, 1959.

Scope and Content NoteIncludes corrections

Folder 20 NotesFolder 21 HolographFolder 22 TypescriptFolder 23 ProofsFolder 24 Printed copyFolder 25 Printed copy with corrections and annotations for inclusion in "Realism and the

Aim of Science," 1983 "Epistemology and Industrialization: Remarks on the Influence of Philosophical Ideas

on the History of Europe," Speech, School of Economics, University of St. Gallen,Switzerland 1959 June 13.

Folder 26 Lecture version (German). Typescript Published version (English), 1975-1979 TypescriptFolder 51,Folder 1-3

Preliminary versions

Folder 4 Final versionFolder 5 ProofsFolder 6 Printed copyFolder 7 Correspondence, 1979 "Die Philosophie in den Grundentscheidungen," Speech, Handels-Hochschule St.

Gallen, Switzerland 1959 June 23.Folder 8 GeneralFolder 9 Correspondence, 1984Folder 10 Speech, University of St. Andrews, Scotland, Notes and schedule of meetings for

conference 1959 July 10-12.Folder 11 "On the Sources of Our Knowledge," The Indian Journal of Philosophy, (forms part of

"On the Sources of Knowledge and Ignorance," 1960). Printed copy 1959 AugustFolder 52,Folder 1

"A Political Postscript on the Central Problems of the Cold War," Typescript 1960s.

"Probabilistic Independence and Corroboration by Empirical Tests," British Journalfor the Philosophy of Science, 1960

Folder 2 HolographFolder 3 TypescriptFolder 4 Printed copy "Reason or Revolution?" 1960Folder 5 General.

Scope and Content NoteIncludes critical remarks by Jeremy F. G. Shearmur



86039 28

Folder 6-8 Typescript and holograph.Scope and Content NoteIncludes "Addendum 1974: The Frankfurt School," originally intended for radiobroadcast

Folder 9-10 ProofsFolder 11 Printed copy, in Archives europeennes de sociologie, 1970Folder 12 "An Indeterminist's View of the Physical World," Speech, British Society for the

Philosophy of Science. Typescript of notes taken from speech 1960 January 16. "On the Sources of Knowledge and of Ignorance," Speech, British Academy. See also

"On the Sources of Our Knowledge," 1959 1960 January 20. Lecture version, 1960Folder 13 GeneralFolder 14 NotesFolder 53,Folder 1-2


Folder 3 Correspondence with Mario Bunge, 1960 Published versions English Proceedings of The British Academy, 1960Folder 4 Correspondence with Doris W. Pearson, 1960Folder 5-8 Typescript and holographFolder 54,Folder 1


Folder 2 ProofsFolder 3 Printed copy Encounter, 1962Folder 4 ProofsFolder 5 Printed copy Studies in Philosophy: British Academy Lectures, 1966Folder 6 Correspondence with Jon Stallworthy 1966Folder 7-8 ProofsFolder 9 Italian, Printed copy 1964. German, 1975Folder 10 Typescript (translation by R. Kiesewetter)Folder 11 Printed copy "Some Comments on Truth and the Growth of Knowledge," 1960 August-September.

Paper, International Congress for Logic, Methodology and Philosophy of Science,Stanford, California (condensed version of the original draft entitled "The Idea ofTruth and the Empirical Character of Scientific Theories," subsequently published as"Truth Rationality, and the Growth of Scientific Knowledge," Chapter 10, Conjecturesand Refutations, 1962)

Folder 12 General CorrespondenceFolder 13 American Express, 1960Folder 14 Ewing, A. C., 1960Folder 15 Freudenthal, H., 1960Folder 16 Hesse, Dr., 1960Folder 17 Mehlberg, Henryk, 1960Folder 18 Nagel, Ernest, 1960Folder 19 Peltours Ltd., 1960Folder 20 Suppes, Patrick, 1959-1960Folder 21 Thompson, Elsa Knight, 1960Folder 55,Folder 1-8






86039 29

"Selbstbefreiung durch das Wissen," Radio broadcast, Bayerischer Rundfunk,Munich, Germany 1961 February.

German version Broadcast versionFolder 3 HolographFolder 4 Typescript Published version, in Der Sinn der Geschichte, edited by Leonhard Reinisch,

1961Folder 5 TypescriptFolder 6 ProofsFolder 7 Review English version, in Humanist Outlook, edited by Alfred J. Ayer, 1968 CorrespondenceFolder 8 Ayer, Alfred J., 1967Folder 9 Blackham, H. J., 1967Folder 10 Macy, C. J. G., 1968.

Scope and Content NoteIncludes proofs

Folder 11 Pemberton Publishing Co. Ltd., 1967Folder 12 Typescript, "The Enlightenment and the Meaning of History: Self-Liberation

Through Knowledge"Folder 13 Printed copyFolder 14 Printed copy with corrections "Die Logik der Sozialwissenschaften," Speech, Symposium on the Logic of the Social

Sciences, Tubingen, Germany 1961 October.Folder 15 General.

Scope and Content NoteIncludes correspondence, n.d., and abstract by Julius Freed

German version Lecture version, 1961Folder 16 GeneralFolder 17 NotesFolder 18 Typescript Published version, 1962Folder 57,Folder 1

Typescript

Folder 2 ProofsFolder 3-4 Printed copyFolder 5 Correspondence, 1983Folder 6 Reviews English version, 1976Folder 7 NotesFolder 8-12 TypescriptFolder 13 ProofsFolder 14 Printed copy "Evolution and the Tree of Knowledge," The Herbert Spencer Lecture, Oxford,

England 1961 October 30. CorrespondenceFolder 15 Gray, T. S., n.d.Folder 16 Ostler, A., 1961Folder 17 Draft. Typescript and holographFolder 58,Folder 1

Version read. Typescript

Folder 2 Final version. TypescriptFolder 3 Revised version, Typescript and holograph 1965.



86039 30

"Science and the Growth of Knowledge," The Shearman Memorial Lectures,University College, London, England 1961 November 21-30.

Folder 4 General CorrespondenceFolder 5 Evans, Ifor, 1961Folder 6 Radley, Winifred, 1961Folder 7-10 Notes and outlinesFolder 11 Lecture no. 1, "The Objective Theory of Knowledge." TypescriptFolder 59,Folder 1

Lecture no. 2, "The Logic of the Growth of Knowledge." Typescript

Folder 2 Lecture no. 3, "Getting Nearer to the Truth." TypescriptFolder 3 Lecture no. 4, "The Logic of Conjecture and Refutation." Typescript Conjectures and Refutations, 1962Folder 4 GeneralFolder 459,Folder 8

General

English version CorrespondenceFolder 59,Folder 5

Albert, Gretl, 1982

Folder 6 Gombrich, Richard, 1960Folder 7 Kidd, James C., 1969Folder 8 Levison, Arnold B., 1963.

Scope and Content NoteIncludes review written by Arnold B. Levison

Folder 9 Magee, Bryan, 1961Folder 10 Routledge & Kegan Paul, 1965-1984 First edition, 1962 Correspondence, 1963Folder 11 Hill, Edward L., 1963Folder 12 Kelsen, Hans, 1963Folder 13 Strong, E. W., 1963 Typescript and holographFolder 14-16 General.

Scope and Content NoteIncludes correspondence

Folder 17 GeneralFolder 60,Folder 1-4

General

Folder 5 OutlinesFolder 6 Chapter 1Folder 7 Chapter 2Folder 8 Chapter 3Folder 9 Chapter 4Folder 10 Chapter 5Folder 11 Chapter 6Folder 61,Folder 1

Chapter 7.Scope and Content NoteIncludes German version

Folder 2 Chapter 8Folder 3 Chapter 9Folder 4-5 Chapter 10Folder 6 Chapter 11Folder 7 Chapters 12-13



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Folder 8 Chapter 14Folder 9 Chapter 15Folder 10 Chapter 16Folder 11 Chapter 17Folder 12 Chapter 18Folder 13 Chapter 19Folder 14 Chapter 20Folder 15 AppendicesFolder 16 Index of namesFolder 62,Folder 1

Index of subjects

Folder 2-4 ProofsFolder 63,Folder 1

Proofs

Folder 2 Reviews Reprint of first edition, 1964Folder 3 GeneralFolder 4-5 Indices. TypescriptFolder 6 Reviews Second edition, 1965 Typescript and holographFolder 7-8 GeneralFolder 9 IndicesFolder 10 ProofsFolder 11 Reviews Third edition, 1969Folder 64,Folder 1-3

Typescript and holograph. General.Scope and Content NoteIncludes correspondence

Folder 4-7 ProofsFolder 65,Folder 1

Proofs

Folder 2 ReviewsFolder 459,Folder 9

Seventh impression, 1978. Extract entitled "Science: Conjectures andRefutations," published in The Search for the Human Sciences, Printed copy1980.

Folder 65,Folder 3

Spanish version, Second edition, 1983. Correspondence, 1983 1967.

Folder 4 Italian version, Reviews 1972. German version (not published) Correspondence, 1967-1969Folder 5 Kiesewetter, R., 1967-1969Folder 6 Oppacher, Franz, 1967-1968Folder 7 Schleichert, Hubert, 1967Folder 8 Walentik, Leonhard, 1967Folder 9 Weingartner, Paul, 1967 Typescript and holographFolder 10-13 General.

Scope and Content NoteIncludes correspondence, 1974, and fragments translated by Lisbeth Gombrich

Folder 14-17 Introduction (translation by Gretl Albert).

Scope and Content NoteIncludes translation of other chapters and correspondence with Grete Albert,1979



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Introduction

Folder 5-7 Chapter 1.Scope and Content NoteIncludes translation by R. Kiesewetter


Chapter 2

Folder 4-6 Chapter 3Folder 7-8 Chapter 4 (translation by Hermann Fischer).

Scope and Content NoteIncludes correspondence with Hermann Fischer, 1970

Folder 9-11 Chapter 5Folder 12 Chapter 6Folder 68,Folder 1-2

Chapter 7

Folder 3 Chapter 8Folder 4 Chapter 9Folder 5 Chapter 10Folder 6 Chapter 11Folder 7 Chapter 12Folder 8 Chapter 13Folder 9 Chapter 14Folder 10 Chapter 15Folder 11 Chapter 16Folder 12 Chapter 17Folder 13 Chapter 18Folder 14 Chapter 19Folder 69,Folder 1

Chapter 20

Folder 2 Addenda French version, 1985Folder 3 Correspondence, 1984-1985Folder 4 Printed copy Japanese version, Correspondence n.d.Folder 5 Ichii, Saburo, 1967-1968Folder 6 Nakamura, Junichi, 1967-1975Folder 7 "Historical Explanation: An Interview," Cambridge Opinion, Holograph, typescript,

printed copy, and correspondence 1962. "Julius Kraft, 1898-1960," Ratio, 1962Folder 8 Correspondence, 1962Folder 9 HolographFolder 10 TypescriptFolder 11 Printed copyFolder 70,Folder 1

"Knowledge and Society," Speech, Berkeley, California. Holograph and typescript1962.

Folder 2 "A New Prediction Paradox," British Journal for the Philosophy of Science, Typescript1962.

Folder 3 "On Carnap's Version of Laplace's Rule of Succession," Mind, 1962. Holograph andtypescript.

Scope and Contents noteIncludes Richard C. Jeffrey's reply and letter of 1962 February 14.See also "The Mysteriesof Udolpho: A Reply to Professors Jeffrey and Bar-Hillel," 1967 January



86039 33

Folder 4 "Uber Geschichtsschreibung und uber den Sinn der Geschichte," Geist und Gesichtder Gegenwart, 1962 (revised version of Open Society and Its Enemies, chapter 25).Printed copy

"The Erewhonians and the Open Society," Speech, San Francisco State College, SanFrancisco, California 1962 March 14.

English versionFolder 5 Correspondence, 1962Folder 6 Typescript and holographFolder 7 Printed copyFolder 8 German version. Typescript and correspondence, 1963 Contribution to the discussion sessions following the three lectures given by

Bertrand de Jouvenel on the art of conjecture, Geneva, Switzerland, (organized bythe Congress for Cultural Freedom and by the Graduate Institute of InternationalStudies) 1962 June 25-28

Folder 9 GeneralFolder 10 Correspondence, 1962Folder 11 Notes "On the Status and the Methods of Science," Radio broadcast, British Broadcasting

Corporation, London, England, 1963 1963. Early versionFolder 12 HolographFolder 13 TypescriptFolder 14 Later version. TypescriptFolder 15 "Science: Problems and How to Solve Them," Speech, MENSA, London, England.

Typescript. 1963.Scope and Contents noteIncludes correspondence, 1963

"The Open Society," Speech, Bloomington, Indiana 1963 February 14.Folder 16 Typescript Revised version, "The Open Society and the Democratic State," Indian Institute of

Public Administration, Delhi, India, 1963 AugustFolder 17 Typescript and holographFolder 71,Folder 1

Typescript

Folder 2 ReviewFolder 3 Revised version, San Francisco, California, Typescript n.d. "Models, Instruments and Truth: The Rationality Principle in the Sciences," Speech,

Department of Economics, Harvard University, Cambridge, Massachusetts. See alsoCORRESPONDENCE, Bergson, Abram and Conrad, Alfred H. 1963 February 26.

Folder 4 GeneralFolder 5-10 Typescript and holographFolder 72,Folder 1-4


Abstract entitled "Rationality and the Status of the Rationality Principle," in LesFondements philosophiques des systemes economiques: Textes de Jacques Rueffet essais rediges en son honneur, 23 aout 1966, 1967

English version, 1966.Scope and Content NoteIncludes correspondence, 1966

Folder 5-6 HolographFolder 7-9 TypescriptFolder 10 CorrespondenceFolder 11 French version, Printed copy 1967.Folder 12 Spanish version, Printed copy 1968.



86039 34

"The Problem of Scientific Knowledge" Two speeches, Princeton University, NewJersey 1963 February 28.

Folder 13 Part I. Typescript and holographFolder 14 Part II. TypescriptFolder 15 CorrespondenceFolder 16 Clipping "Science: Problems, Aims, Responsibilities," Speech, Federation of American

Societies for Experimental Biology, Atlantic City, New Jersey 1963 April 17. English version, 1963Folder 17 GeneralFolder 18-19 Correspondence, 1963-1966Folder 73,Folder 1

Holograph

Folder 2-10 TypescriptFolder 11 ProofsFolder 12 Printed copyFolder 13 Italian version, Printed copy 1966.Folder 14 "Objectivity and Subjectivity in Scientific Method," Speech, Queens College.

Typescript and holograph outline 1963 April 19. "Problems of Scientific Knowledge," Speech, University of Illinois, Chicago 1963 April

25.Folder 15 TypescriptFolder 459,Folder 10

Japanese translation, Printed copy 1963.

"Creative and Non-Creative Definitions in the Calculus of Probability," Synth'se, 1963June

Early versions. Holograph and typescriptFolder 73,Folder 16

"Axioms and Definitions of the Probability Calculus"

Folder 74,Folder 1

"Productive and Non-Productive Formal Definitions in the Calculus ofProbability"

Final versionFolder 2 Holograph and typescript.

Scope and Content NoteIncludes correspondence, 1962-1963

Folder 3 ProofsFolder 4 Printed copyFolder 5 "Kirk on Heraclitus, and on Fire as the Cause of Balance," Mind, Reply to G. S. Kirk,

"Back to the Pre-Socratics." Printed copy 1963 July.Folder 6-8 "Research in Science: Problems, and How to Solve Them," Speech, Institute of

Advanced Studies, Australian National University, Canberra, Australia. Typescriptand holograph 1963 July 22.

"The Improbability of Explanatory Hypotheses," 1964Folder 9 General. Notes and research material CorrespondenceFolder 10 Curnow, R. N., 1964.

Scope and Content NoteIncludes fragments of typescript

Folder 11 Freed, Julius, 1964Folder 12 Lakatos, Imre, 1964.

Scope and Content NoteIncludes correspondence with Paul Bernays, Arend Heyting, Stephen C. Kleene, D.W. MacKinnon, Hao Wang

Folder 13 Silvey, S. D., 1964



86039 35

Folder 14-15 Typescript and holograph.Scope and Content NoteIncludes correspondence, 1964



Folder 3 Untitled seminars (six), Vienna, Austria, Holograph 1964 June.Folder 4 Speech relating to relativity theory, Typescript 1964 August 4. "Normal Science and Its Dangers," Paper, International Colloquium in the Philosophy

of Science, London, England 1965.Folder 5 General.

Scope and Content NoteIncludes Karl Popper's contribution to the Kuhn-Watkins discussion, and Imre Lakatos,"Demarcation Criterion and Scientific Research Programmes"

English versionFolder 6 HolographFolder 7-8 TypescriptFolder 9 Printed copy with correctionsFolder 10 German version. TypescriptFolder 11 "On Problems and How to Understand Them," Speech, University of Minnesota,

Minneapolis, Minnesota 1965 April. "Of Clouds and Clocks: An Approach to the Problem of Rationality and the Freedom

of Man," The Arthur Holly Compton Memorial Lecture, Washington University, St.Louis, Missouri 1965 April 21.

Folder 76,Folder 1

General.Scope and Content NoteIncludes outlines and fragments

CorrespondenceFolder 2 General, 1965-1969Folder 3 Karlson, Marjorie, 1965Folder 4 Litvag, Irving, 1965Folder 5 Malmquist, Carl P., 1968Folder 6 McCormick, M. L., 1967Folder 7 O'Brian, Frank, 1965-1968Folder 8 Pake, George E., 1964-1965Folder 9 Papanek, Helene, 1966Folder 10 Rudner, Richard S., 1965-1966Folder 11 Spiegelberg, Herbert, 1965Folder 12 Standen, Gray, 1965-1968Folder 13 Zollschan, George K., 1968Folder 14-15 Holograph TypescriptFolder 16-17 Early versionsFolder 77,Folder 1

Early versions

Folder 2-13 Later versionsFolder 78,Folder 1

Proofs

Folder 2 Printed copyFolder 3 Reviews "The Myth of the Framework," Seminar, University of Minnesota, Minneapolis,

Minnesota. 1965 April 23.Scope and Contents noteIncludes speech "On Problems and How to Understand Them" and discussion



86039 36

Folder 4 Typescript Revised version, Michigan State University, East Lansing, Michigan, 1965 April 26Folder 5 Correspondence, 1965Folder 6 Typescript and holographFolder 7-8 Revised version, Brandeis University, Waltham, Massachusetts, Typescript and

notes 1969 November 19.Folder 9 Revised version, Dunedin, New Zealand, Typescript 1973. English versionFolder 10 General.




Folder 8 ProofsFolder 9 Printed copy, 1976Folder 10 German version. Typescript "Rationality and the Search for Invariants," Speech, International Colloquium on the

Philosophy of Science, Bedford College, London, England. 1965 July 11.Scope and Contents noteIncludes material relating to the colloquium's organization


General.Scope and Content NoteIncludes papers by Oliver E. Ford, Stephan Korner, and L. Pearce Williams, andtranscripts of discussion sessions

Correspondence.


Folder 3 Church, Alonzo, 1964Folder 4 Findlay, Allan F., 1967Folder 5 Freudenthal, H., 1964Folder 6 Godel, Kurt, 1964Folder 7 Henkin, Leon, 1964Folder 8 Heyting, Arend, 1964Folder 9 Kuhn, Thomas S., 1964.

Scope and Content NoteIncludes Thomas S. Kuhn, "Logic of Discovery or Psychology of Research: A GestaltSwitch?"

Folder 10 Quine, Willard Van Orman, 1964Folder 11 Robinson, Abraham, 1964Folder 12 Notes. Typescript and holographFolder 13 HolographFolder 14-20 TypescriptFolder 81,Folder 1-12

Typescript

Lecture, Symposium of Inductive Logic, Bedford College, London, England 1965 July17.

Folder 13 General.Scope and Content NoteIncludes correspondence



86039 37

Folder 14 Typescript and holographFolder 15 Papers read by others Bunge, Mario, "Induction: A Motely Assembly." Typescript Carnap, Rudolf, "Inductive Logic and Inductive Intuitions." Typescript Hilpinen, Risto, "On Epistemic Utility: Comments on Dr. Vetter's Paper."

Typescript Hintikka, Jaakko, "Conditionalization and Information: Two Marginal Comments

on Carnap's Paper." Typescript Lejewski, Czeslaw, "Quantification and Ontological Commitment." Typescript Watkins, John W. N., "Hume, Carnap and Popper," and "Decision and Belief."

TypescriptsFolder 16 Transcript of discussion between Karl Popper, Rudolf Carnap, William C. Kneale,

Paul Bernays, and Yehoshua Bar-Hillel. Typescript and proofs "Time's Arrow and Entropy," Nature, 1965 July 17Folder 82,Folder 1

General

Folder 2 Correspondence, 1965Folder 3 HolographFolder 4 TypescriptFolder 5 ProofsFolder 6 "Why Zeno was Right," Speech. Typescript and holograph 1965 September.Folder 7 "Otto Neurath: Memories and Impressions," Typescript 1966?Folder 8 Foreword to L. M. Loring, Two Kinds of Values, Typescript and holograph 1966.Folder 9 "A Note on the Theory of the Cold War," Typescript 1966. "A Theorem on Truth Content," in Paul K. Feyerabend and Grover Maxwell, ed., Mind,

Matter, and Method: Essays in Philosophy of Science in Honor of Herbert Feigl, 1966 CorrespondenceFolder 10 Maxwell, Grover, 1963-1965.

Scope and Content NoteIncludes correpondence with William W. Bartley, III, Imre Lakatos, and Jacob BrunoBronowski

Folder 11 Shechtman, Joseph, 1965Folder 12 HolographFolder 13 TypescriptFolder 14 Proofs for illustrationsFolder 15 Printed copyFolder 16 "A Note on the Difference Between the Lorentz-Fitzgerald Contraction and the

Einstein Contraction," The British Journal for the Philosophy of Science, Typescriptand holograph. 1966 February.


Folder 17 "The Influence of Einstein on my View of Science," Radio broadcast, British

Broadcasting Corporation, London, England. Typescript 1966 February 23. Lecture series, University of Denver, Denver, Colorado, Typescript and holograph

outlines and notes. See also "A Realist View of Logic, Physics and History," 1966 May1966 March 30-June 1.

Folder 18 GeneralFolder 19 Lecture no. Relates to historical knowledge 1, March 30.Folder 20 Lecture no. Relates to theory of knowledge and art 2, April 6.Folder 21 Lecture no. Relates to historicism 3, n.d.Folder 22 Lecture no. Relates to relativism 4, n.d.Folder 23 Lecture no. Relates to relativism 5, May 5.Folder 24 Lecture no. Relates to historicism 6, May 11.Folder 25 Lecture no. Relates to the Cold War 8, May 25.Folder 26 Lecture no. Relates to philosophy of history 9, June 1.



86039 38

Folder 27 "A Comment on Miller's New Paradox of Information," The British Journal for thePhilosophy of Science, Typescript and holograph. See also "The Mysteries ofUdolpho: A Reply to Professors Jeffrey and Bar-Hillel," 1967 January 1966 May.

"A Realist View of Logic, Physics and History," Paper, International Colloquium onLogic, Physics and History, University of Denver, Denver, Colorado. 1966 May.

Scope and Contents noteIncludes material relating to the conference and to Karl Popper's tenure as visitingprofessor

Folder 28 General.

Scope and Content NoteIncludes papers by Jean-Pierre Vigier, Jaakko Hintikka, and Andre Mercier, and KarlPopper's remarks upon these

CorrespondenceFolder 83,Folder 1

Matzka, John, 1968

Folder 2 Miller, David W., 1966-1967Folder 3 Yourgrau, Wolfgang, 1966-1969.

Scope and Content NoteIncludes corrections to manuscript

Folder 4 Holograph.

Scope and Content NoteIncludes "Remarks on Ranki's Paper"

Folder 5-7 TypescriptFolder 8-10 Printed copy "Education versus Common Sense," Commencement speech, University of Denver,

Denver, Colorado 1966 June 10.Folder 84,Folder 1

General

Folder 2 Correspondence, 1966Folder 3 Typescript "The Paradox of Zero Information," The British Journal for the Philosophy of Science,

1966 AugustFolder 4 Correspondence, 1966.

Scope and Content NoteIncludes corrected typescript and corrected proofs

Folder 5 HolographFolder 6 TypescriptFolder 7 "Comment on Carnap's 'Inductive Logic and Inductive Intuitions,'" The Problem of

Inductive Logic, Typescript 1967?Folder 8-12 "Three Idols of Empiricism: Precision - Definition - The Senses and their Data,"

Speech, La Jolla, California. Typescript and notes 1967?Folder 13 Contribution to Imre Lakatos memorial volume, Notes. 1967.

Scope and Contents noteIncludes Imre Lakatos, "A Renaissance of Empiricism in the Recent Philosophy ofMathematics"

Folder 14 "The Cosmological Origins of Euclidean Geometry," in Imre Lakatos, ed., Problems in

the Philosophy of Mathematics, Printed copy 1967.Folder 15 "

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