
- Author: Gustav Doetsch (auth.)
- Language: German
- Year: 1973

- Author: Gustav Doetsch (auth.)
- Language: German
- Year: 1950

- Author: Gustav Doetsch (auth.)
- Language: German
- Year: 1972

- Author: Gustav Doetsch (auth.)
- Language: German
- Year: 1956

- Author: Gustav Doetsch (auth.)
- Language: German
- Year: 1973

- Author: Gustav Doetsch (auth.)
- Language: English
- Year: 1974