- Author: Norbert Hinske
- Language: German
- Year: 1992
- Author: Hans-Martin Gerlach
- Language: German
- Year: 2001
- Author: herausgegeben von Peter Krause
- Language: German
- Year: 1989
- Author: Hans E. Bödeker
- Language: German
- Year: 1992
- Author: Klaus Gerteis (Hrsg.)
- Language: German
- Year: 1992
- Author: herausgegeben von Rudolf Vierhaus
- Language: German
- Year: 1988
- Author: Günter Birtsch
- Language: German
- Year: 1987
- Author: Karl und Marianne Willems Eibl
- Language: German
- Year: 1996