- Author: Ulrike Hanke, Wilfried Sühl-Strohmenger
- Language: German
- Year: 2015
- Author: Ulrike Hähner
- Language: German
- Year: 2005
- Author: Ernst Kohl (editor), Bayerische StaatsBibliothek München (editor)
- Language: German
- Year: 1977
- Author: Heidrun Alex (editor), Guido Bee (editor), Ulrike Junger (editor)
- Language: German
- Year: 2018
- Author: Margrit Lauber-Reymann
- Language: German
- Year: 2017