- Denken uber die Zukunft: Ein Symposium mit Hoimar von Ditfurth, Irenaus Eibl-Eibesfeldt, Hans Jonas, Hannes Keller, Hansjurg Mey, Eduard Pestel, Karl Popper, Walther Ch. Zimmerli (German Edition)
- Rationalitat und Begrundung: Das Grundlagenproblem in der Philosophie Karl Poppers (Mainzer philosophische Forschungen) (German Edition) by Heinz Weinheimer, 1986
- Offene Gesellschaft, offenes Universum: Franz Kreuzer im Gesprach mit Karl R. Popper : aus Anlass des 80. Geburtstages des grossen osterreichischen Philosophen (German Edition) by Franz Kreuzer, 1982
- Aesthetic Criteria: Gombrich and the Philosophies of Science of Popper and Polanyi (Series in the Philosophy of Karl R. Popper and Critical Rational) by Sheldon Richmond, 1994-01
- Karl Popper's Response to 1938
- Mythologie der "kritischen Vernunft": Zur Kritik d. Erkenntnis- u. Geschichtstheorie Karl Poppers (Kleine Bibliothek, Politik, Wissenschaft, Zukunft ; 86) (German Edition) by Kurt Bayertz, 1977
- L'inconnu devant soi: Karl Popper et l'angoisse du theoricien moderne (Collection Philosophie, epistemologie) (French Edition) by Nicole-Edith Thevenin, 1991
- A Philosophers Apprentice: In Karl Poppers Workshop. (Series in the Philosophy of Karl R. Popper and Critical Rationalism) by Joseph Agassi, 2008-11-22
- Bounds of Freedom: Popper, Liberty and Ecological Rationality (Series in the Philosophy of Karl R. Popper and Critical Rationalism, 16) (Series in the ... of Karl R.Popper & Critical Rationalism) by Mahasweta Chaudhury, 2004-08
- Karl Popper: A Centenary Assessment : Metaphysics and Epistemology by Unnamed Unnamed, 2006
- Karl Poppers kritischer Rationalismus heute. by Jan M. Böhm, Heiko Holweg, et all 2002-07-01
- In Pursuit of Truth: Essays on the Philosophy of Karl Popper on the Occasion of His 80th Birthday
- Karl Popper: a Centenary Assessment Vol.3: Science
- Karl Popper: The Arguments of the Philosophers by Anthony O-Hear, 2010-06-04
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