
- Author: Karl Popper
- Language: Romanian
- Year: 1996

- Author: Karl Popper
- Language: Romanian
- Year: 1996

- Author: Karl Popper
- Language: Italian
- Year: 1974

The Open Society and its Enemies: The High Tide of Prophecy: Hegel, Marx and the Aftermath (Vol. 2)
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- Author: Karl Popper
- Language: English
- Year: 1947

- Author: Karl Popper
- Language: English
- Year: 2002

- Author: Karl Popper
- Language: English
- Year: 1962

- Author: Gerard Radnitzky W. W. Bartley Karl Popper
- Language: English
- Year: 1993

- Author: Καρλ Πόππερ (Karl Popper) Στ. Δημόπουλος (μετάφραση)
- Language: Greek
- Year: 1990

- Author: Καρλ Πόππερ (Karl Popper) Ειρήνη Παπαδάκη (μετάφραση)
- Language: Greek
- Year: 1991

- Author: Herbert Marcuse Karl Popper
- Language: English
- Year: 1985