- Author: Alfred Adam
- Language: German
- Year: 1959
- Author: Ulrich Becker
- Language: German
- Year: 1963
- Author: Ulrich Wickert
- Language: German
- Year: 1962
- Author: Walther Eltester
- Language: German
- Year: 1960
- Author: Walther Eltester
- Language: German
- Year: 1960
- Author: Franz Heinrich Kettler
- Language: German
- Year: 1966
- Author: Walther Eltester Franz H. Kettler
- Language: German
- Year: 1964
- Author: Wolfgang Schrage
- Language: German
- Year: 1964
- Author: Walter Henss
- Language: German
- Year: 1967