- Author: Ernst Eichler (editor), Hans Walther (editor)
- Language: German
- Year: 1982
- Author: Ernst Eichler (editor), Hans Walther (editor)
- Language: German
- Year: 1989
- Author: Ernst Eichler (editor), Hans Walther (editor)
- Language: German
- Year: 1974
- Author: Ernst Eichler (editor), Hans Walther (editor)
- Language: German
- Year: 1987