- Author: Stefanie Stricker
- Language: German
- Year: 1990
- Author: Stefanie Stricker
- Language: German
- Year: 1989
- Author: Rudolf Schützeichel, Rolf Bergmann, Dorothee Ertmer, Birgit Meineke, Stefanie Stricker, Birgit Wulf
- Language: German
- Year: 1991
- Author: Rolf Bergmann (editor), Stefanie Stricker (editor)
- Language: German
- Year: 2009