- Author: Zoltan Franyó, Bruno Snell
- Language: German
- Year: 1977
- Author: Bruno Snell, Herwig Maehler, Zoltan Franyó, Peter Gan
- Language: German
- Year: 1981
- Author: Zoltan Franyó, Bruno Snell, Herwig Maehler
- Language: German
- Year: 1972
- Author: Bruno Snell (editor), Zoltan Franyó (editor), Peter Gan (editor)
- Language: German
- Year: 1973