- Author: Matthias Fritsch
- Language: German
- Year: 2004
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- Language: English
- Year: 1969
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- Language: German
- Year: 2005
- Author: Oliver Precht
- Language: German
- Year: 2020
- Author: Platon
- Language: German, Ancient Greek
- Year: 2012
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- Language: German, Ancient Greek
- Year: 1985
- Author: Aristoteles, Horst Seidl, Wilhelm von Christ, Hermann Bonitz
- Language: German, Ancient Greek
- Year: 2009
- Author: Bertrand Russell
- Language: German
- Year: 2008
- Author: Dietrich von Freiberg
- Language: English
- Year: 1985