
- Author: Dr. med. Rich Koch (auth.)
- Language: German
- Year: 1923

- Author: Olof Hammarsten (auth.) Olof Hammarsten (eds.)
- Language: German
- Year: 1922

- Author: Dr. Otto Ringleb (auth.)
- Language: German
- Year: 1927

- Author: Gerhard Denecke (auth.)
- Language: German
- Year: 1926

- Author: Dr. Hermann Beitƶke (auth.)
- Language: German
- Year: 1926

- Author: Dr. Karl Süpfle (auth.)
- Language: German
- Year: 1910