- Author: Gustav Gröber
- Language: German
- Year: 1905
- Author: Gustav Gröber
- Language: German
- Year: 1877
- Author: Gustav Gröber (editor)
- Language: German
- Year: 1901
- Author: Gustav Gröber (editor)
- Language: German
- Year: 1985
- Author: Gustav Gröber (editor)
- Language: German
- Year: 1985
- Author: Gustav Gröber (editor)
- Language: German
- Year: 1985