- Author: Gisela Drossbach (editor), Hans-Joachim Schmidt (editor)
- Language: German
- Year: 2008
- Author: Hans-Joachim Schmidt (editor), Martin Rohde (editor)
- Language: German
- Year: 2014
- Author: Hans-Joachim Schmidt (editor)
- Language: German
- Year: 2005
- Author: Hans-Joachim Schmidt (editor), Martin Rohde (editor)
- Language: German
- Year: 2014