- Author: Winfried Schnepp, Horst Baumann, Roland Michael Beckmann, Katharina Johannsen, et al.
- Language: German
- Year: 2009
- Author: Roland Michael Beckmann, Oliver Brand, Knut Höra, Reinhard Renger, Hans-Peter Schwintowski
- Language: German
- Year: 2010
- Author: Horst Baumann, Roland Michael Beckmann, Robert Koch, et. al.
- Language: German
- Year: 2013
- Author: Roland Michael Beckmann, et al.
- Language: German
- Year: 2008
- Author: Roland Michael Beckmann (editor), Robert Koch (editor), Roland Michael Beckmann (editor), Oliver Brand (editor), Christoph Brömmelmeyer (editor), et al. (editor)
- Language: German
- Year: 2022