- Author: Justus Wilhelm Hedemann
- Language: German
- Year: 1920
- Author: Justus Wilhelm Hedemann
- Language: German
- Year: 1949
- Author: Justus Wilhelm Hedemann
- Language: German
- Year: 1922
- Author: Justus Wilhelm Hedemann
- Language: German
- Year: 1960
- Author: Justus Wilhelm Hedemann
- Language: German
- Year: 1924
- Author: Justus Wilhelm Hedemann
- Language: German
- Year: 1950
- Author: Justus Wilhelm Hedemann
- Language: German
- Year: 1931
- Author: Justus Wilhelm Hedemann
- Language: German
- Year: 1927