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- Language: German
- Year: 2020

- Author: Meinong Alexius
- Language: German
- Year: 1988

- Author: Aristoteles
- Language: German
- Year: 2018

- Author: Bruno Giordano
- Language: German
- Year: 2000

- Author: Descartes René
- Language: German
- Year: 2020

- Author: Hume David
- Language: German
- Year: 1988

- Author: Peirce Charles Sanders
- Language: German
- Year: 1995