- Author: Peter Wende
- Language: German
- Year: 2001
- Author: Andreas Rödder
- Language: German
- Year: 2003
- Author: Hanns J. Prem
- Language: German
- Year: 2015
- Author: Sabine Dabringhaus
- Language: German
- Year: 2010
- Author: Johannes Fried
- Language: German
- Year: 2008
- Author: Peter Franz Mittag
- Language: German
- Year: 2023
- Author: Jochen Bleicken
- Language: German
- Year: 2004
- Author: Hermann Jakobs
- Language: German
- Year: 1999
- Author: Tilman Nagel
- Language: German
- Year: 1998
- Author: Hans J. Nissen
- Language: German
- Year: 2014
