English version
Unidentified edition, - Proofs (previously identified as first edition, ) n.d. 1945
Second edition 1950
Proofs
German version
First edition 1957-1958
Sixth edition 1986
Seventh edition 1992
Proofs
Russian version 1992
Bulgarian version 1993
"The Nature of Philosophical Problems and Their Roots in Science," The British Journal for the Philosophy of Science 1952
"The Demarcation between Science and Metaphysics," in Paul Arthur Schilpp, ed., The Philosophy of Rudolf Carnap 1955
English version
Incomplete drafts
Conjectures and Refutations 1962
German version 1994
Correspondence
Typescript
Proofs
Revised version, "Models, Instruments, and Truth: The Status of the Rationality Principle in the Social Sciences," 1974?
"Of Clouds and Clocks: An Approach to the Problem of Rationality and the Freedom of Man," . 1965 April 21
"A Revised Definition of Natural Necessity," The British Journal for the Philosophy of Science 1968 February
Unended Quest: An Intellectual Autobiography 1976
Eighth edition 1992
Dei beiden Grundprobleme der Erkenntnistheorie 1979
New appendix 1993
English version, "The Two Fundamental Problems of the Theory of Knowledge," edited by Troels Eggers Hansen and translated by Andreas Pickel 1994
Typescript
Book 1
Book 2
"Wissen und Nichtwissen," . 1979 June 8
"The Place of Mind in Nature," . 1981 October 6
English version
English version. Typewritten drafts
Auf der Suche nach einer besseren Welt 1984
English version, In Search of a Better World 1992
Final draft
Typescript
Proofs
Popper Selections, David W. Miller, ed., . German version 1985 1995
Version prepared for publication in Rupert Riedl and Franz M. Wuketis, ed., Die Evolutionare Erkenntnistheorie 1987
"Why Probabilistic Support Is Not Inductive" (with David W. Miller), Philosophical Transactions of the Royal Society of London 1987
Introductory lecture, World Congress Alternatives and Environment, Vienna, Austria 1987 April 8
Interview, Die Welt 1987 July 6-11
"Zur Theorie der Demokratie," Der Spiegel 1987 August 3
Lecture sponsored by the presidency of the republic, Lisbon, Portugal 1987 October 3
"Uncertain Truth," Karl Popper in conversation with John Eccles, Ernst Gombrich, and Anthony Quinton, television series, Channel 4, London, England, . 1988 January 4-18
"The Open Society and Its Enemies Revisited," The Economist 1988 April 23
Revised version for publication 1990
German version 1994
Speech upon receiving 10th International Friedrich Nietzsche Prize, Palermo, Sicily 1988 October 16
Lecture on molecular biology, European Molecular Biology Laboratory, Heidelberg, Germany 1989 April 12
Lecture to Society of Physics Students, University of California, Berkeley, California 1989 May 6
Revised version delivered at conference on Buddhism, Munich, Germany 1989 June 29
"I filosofi e il nostro tempo," series broadcast on Radiotelevisione Italiana (RAI) 1989 July
Interview, Die Welt 1990 February 19-23
"Four Notes on Xenophanes and One Note on Heraclitus," 1991 February
Speech in acceptance of honorary doctoral degree, Universidad Complutense de Madrid, Madrid, Spain 1991 October 28
"How the Moon Might Throw Some of Her Light on the Two Ways of Parmenides," Classical Quarterly 1992
Speech accepting The Kyoto Prize, Kyoto, Japan 1992 November 10
"A Discussion of the Mind-Brain Problem" (with B. I. B. Lindahl and P. Arhem), Theoretical Medicine 1993
"The Unknown Xenophanes: An Attempt to Establish His Greatness," 1993 October 2
Speech upon receiving Otto Hahn Peace Medal, Berlin, Germany 1993 December 17
Aufsatze und Vortrage 1994
Proofs
Knowledge and the Mind-Body Problem 1994
Lecture, Universita Karlovy v Praze, Prague, Czech Republic 1994 May 25
Alles Leben ist Problemlosen 1995
General
General
Invitations (declined)
Bartley, William Warren, III
British Broadcasting Corporation
Espada, Joao Carlos
Fontana Paperbacks (Helen Fraser, Alison Wade, Robert B. Woodings) re Unended Quest
Francke Verlag Bern (Carl Ludwig Lang, Brigitte Narr, Gunter Narr) re The Open Society and Its Enemies
Gattei, Stefano
Gombrich, Ernst H.
Ho, Eugene
Hutchinson Publishing Group (Ruth Klauber, Kathleen R. Nathan, John R. Stevens, A. R. Guest Gornall, S. G. Wilkinson, Kathleen Nathan, Daniel Brostoff, Marc Cohen) mainly re The Logic of Scientific Discovery and Postscript to the Logic of Scientific Discovery
Institut Catala d'Estudis Mediterranis
J.C.B. Mohr/Paul Siebeck (Hans Georg Siebeck, Georg Siebeck) re The Open Society and Its Enemies, The Poverty of Historicism, The Logic of Scientific Discovery, Die beiden Grundprobleme der Erkenntnistheorie, Conjectures and Refutations
Kiesewetter, Hubert
Kratky, Otto
Magee, Bryan
Miller, David William
Noske, Rainer
Oxford University Press (Adam Hodgkin, N. W. Wilson) mainly re Objective Knowledge
Papadaki, Irene, mainly re Greek translations of Karl Popper's works
Princeton University Press (Datus C. Smith, Jr., Roy E. Thomas, Carol Orr), mainly re The Open Society and Its Enemies
Routledge & Kegan Paul (Norman Franklin, T. Murray Ragg)
Rowe Radcliffe Solicitors (formerly Weightman Rowe)
Springer Verlag (Monika Brendel, Laurel Fremgen-Hamilton, Heinz Gotze, Birgit Hadler, Paul B. Mayer, K. Teichmann) mainly re The Self and Its Brain
Honorary degrees
Subject file
Birthday celebrations
Eighty-fifth 1987
Ninetieth 1992
Companionship of Honour
Death
Knighthood
Correspondence
Letters of recommendation written by Popper on behalf of others 1959-1993
Writings 1986-1994
Material not yet described