- Author: Theodor Schiemann
- Language: German
- Year: 1921
- Author: Ludwig Schlesinger
- Language: German
- Year: 1922
- Author: Hans Naumann
- Language: German
- Year: 1923
- Author: Arthur Haas
- Language: German
- Year: 1922
- Author: Arthur Haas
- Language: German
- Year: 1921
- Author: Gerullis Georg
- Language: German
- Year: 1922
- Author: Theodor Schiemann
- Language: German
- Year: 1921
- Author: Friedrich Luckwaldt
- Language: German
- Year: 1920