- Author: Claudia Schmidt
- Language: German
- Year: 1988
- Author: Heidrun Kämper-Jensen
- Language: German
- Year: 1989
- Author: Beat Louis Müller
- Language: German
- Year: 1900
- Author: Gerhard Augst (editor), Karl Blüml (editor), Dieter Nerius (editor), Horst Sitta (editor)
- Language: German
- Year: 1997
- Author: Antonie Hornung
- Language: German
- Year: 2002