(g) «Pyrite and the origin of life», Nature, 344, No. 6265, p. 387, 29.3.1990.
(z5) «ProgenoteorProtogenote?" withDr. Günter Wächtershäuser, Science, 250/4984 («Letters»), 23.11.1990, p. 1070.
1991
(b) «Kepler: Seine Metaphysik des Sonnensystems und seine empirische Kritik», Wege der Vernunft, Festschrift zum 70. Geburtstag von Hans Albert, J. С. B. Mohr (Paul Siebeck), Tübingen.
(d) «Révolutions scientifiques et révolutions idéologiques», Introduction to Karl Popper: Science et Philosophie, edited by Renée Bouveresse and Hervé Barreau, Librairie Philosophique J. Vrin, Paris.
(e) The Open Society and Its Enemies, I, Routledge, London. (Ninth reprint of the fifth [revised 1966] edition.)
(n) The Poverty of Historicism, fourteenth impression, Routledge, London and New York.
(o) «Ich weiss, dass ich nichts weiss — und kaum das»: Karl Popper im Gespräch über Politik, Physik und Philosophie, Ullstein GmbH, Berlin. (Two interviews with Die Welt, in 1987 and 1990.)
1992
(e) «Gegen den Zynismus in der Interpretation der Geschichte», Eichstätter Materialien, Verlag Friedrich Pustet, Regensburg. Lecture given at the Catholic University of Eischstätt on 27 May 1991 on the occasion of being awarded an honorary doctorate.
(k) «How the Moon Might Throw Some of her Light Upon the Two Ways of Parmenides», Classical Quarterly, 42, No. 1, Oxford University Press, Oxford. In Search of a Better World: Lectures and Essays from Thirty Years, Routledge, London and New York. Translation of 1984 (b) by Laura J. Bennett, additional material translated by Melitta Mew. First English edition.
(z3) La lezione di questo secolo. Interview by Giancarlo Bosetti, Marsilio Editori, Venice. Also contains translation of 1888 (w) and 1990 (z).
1993
(v) «Discussion of the Mind-Brain Problem», K. R. Popper, P. Arhem, and В. I. B. Lindahl, Theoretical Medicine, 14, No. 2, Kluwer Academic Publishers, Dordrecht.
1994
(h) Die beiden Grundprobleme der Erkenntnistheorie, second revised edition, J. С. B. Mohr, Tübingen.
(р) «Una patente per fare tv», Reset: Cattiva maestra televisione, with an Introduction by Giancarlo Bosetti, Reset s.l.r., Milano, pp. 13–25. Based on an interview by Giancarlo Bosetti in two parts, 12 and 16 August 1994.
(r) The Myth of the Framework: In Defence of Science and Rationality, edited by M. A. Notturno, Routledge, London and New York.
(s) Knowledge and the Body-Mind Problem: In Defence of Interaction, edited by M. A. Notturno, Routledge, London and New York.
(x) «Contributions to the Formal Theory of Probability», coauthor David Miller, in a Festschrift entitled Patrick Suppes: Scientific Philosopher, Vol. I, Probability and Probabilistic Causality, edited by Paul Humphreys, pp. 3-23. Kluwer Academic Publishers, Dordrecht.
(y) Alles leben ist Problemlosen: Über Erkenntnis, Geschichte und Politik, a collection of essays with a Preface by the author, R. Piper & Co., München. First edition.
(z) Vermutungern und Widerlegungen, German translation by Gretl Albert, Melitta Mew, Karl Popper and Georg Siebeck, Part I (up to chapter 10) of Conjectures and Refutations, J. C. B. Mohr, Tübingen.
(zl2) Prague lecture, InMemoriam: Karl Popper in Prague, internal publication by 3rd Medical Faculty of Charles University and Central European University Foundation, Prague. Delivered on 25 May 1994 on the occasion of being awarded an honorary doctorate by Charles University.
1995
(1) Karl Popper Lesebuch, German translation by Eva Schiffer et al.of A Pocket Popper, edited by David Miller, J. С. B. Mohr, Tübingen.
(z2) «The Future is Open: Conversation with Sir Karl Popper», Dialogue and Universalism, 8–9/1995, pp. 21–30, Centre of Universalism, Warsaw University, Poland. Interview given on 29 July 1994 to Dr Adam Chmielewski.
1996
(z2) The Lesson of This Century, English translation by Patrick Camiller of 1992 (z3). Also contains «Reflections on the Theory and Practice of the Democratic State» and «Freedom and Intellectual Responsibility», English translations of 1988. (w) and 1990 (z2), Routledge, London and New York.
