- Author: Hans-Joachim Kertscher (editor)
- Language: German
- Year: 1996
- Author: Manfred Beetz (editor), Hans-Joachim Kertscher (editor)
- Language: German
- Year: 2005
- Author: Theodor Verveyen (editor), Hans-Joachim Kertscher (editor)
- Language: German
- Year: 1995