- Author: Elisabeth Birk (editor), Jan Georg Schneider (editor)
- Language: German
- Year: 2009
- Author: Christa Dürscheid (editor), Jan Georg Schneider (editor)
- Language: German
- Year: 2015
- Author: Christa Dürscheid (editor), Jan Georg Schneider (editor)
- Language: German
- Year: 2015