
- Author: Christopher J. Wells, Rainhild Wells
- Language: German
- Year: 1991

- Author: Angelika Linke, Markus Nussbaumer, Paul R. Portmann
- Language: German
- Year: 2004

- Author: Walther Suchier, Rudolf Baehr
- Language: German
- Year: 1997

- Author: Karl Voretzsch, Gerhard Rohlfs
- Language: German
- Year: 1997

- Author: Johann Fischart (editor), Michael Schilling (editor)
- Language: German
- Year: 1994

- Author: Peter J. Brenner
- Language: German
- Year: 2011

- Author: Ingrid Benecke
- Language: German
- Year: 1973

- Author: Heinrich Franz Plett
- Language: German
- Year: 1975