- Author: Heike Sahm (editor), Wilhelm Heizmann (editor), Victor Millet (editor)
- Language: German
- Year: 2019
- Author: Victor Millet (editor), Heike Sahm (editor)
- Language: German
- Year: 2014
- Author: Victor Millet (editor), Heike Sahm (editor)
- Language: German
- Year: 2014
- Author: Heike Sahm (editor), Wilhelm Heizmann (editor), Victor Millet (editor)
- Language: German
- Year: 2019