- Author: Lübtow Ulrich von
- Language: German
- Year: 1971
- Author: Thielmann Georg
- Language: German
- Year: 1973
- Author: Slapnicar Klaus
- Language: German
- Year: 1981
- Author: Sedatis Lutz
- Language: German
- Year: 1967
- Author: Pika Wolfram
- Language: German
- Year: 1988
- Author: Oehler Dietrich
- Language: German
- Year: 1959
- Author: Meffert Klaus
- Language: German
- Year: 1974
- Author: Kränzlein Arnold
- Language: German
- Year: 1963