- Author: Rudolf Wohlgenannt (auth.)
- Language: German
- Year: 1969
- Author: Ellen Matthies Jochen Baecker Manfred Wiesner (auth.)
- Language: German
- Year: 1991
- Author: Wolfgang Balzer (auth.)
- Language: German
- Year: 1982
- Author: Jürgen Klüver (auth.)
- Language: German
- Year: 1988
- Author: Hans Reichenbach (auth.)
- Language: German
- Year: 1968
- Author: Ernst von Glasersfeld (auth.)
- Language: German
- Year: 1987