- Author: Maren Lickhardt (editor), Gregor Schuhen (editor), Hans Rudolf Velten (editor)
- Language: English
- Year: 2018
- Author: Katja Gvozdeva (editor), Hans Rudolf Velten (editor)
- Language: German
- Year: 2011
- Author: Gregor Schuhen (editor), Maren Lickhardt (editor), Hans Rudolf Velten (editor)
- Language: English
- Year: 2018