- Author: Röper Burkhardt
- Language: German
- Year: 1989
- Author: Röper Burkhardt
- Language: German
- Year: 1989
- Author: Röper Burkhardt
- Language: German
- Year: 1972
- Author: Röper Burkhardt
- Language: German
- Year: 1978
- Author: Röper Burkhardt
- Language: German
- Year: 1976
- Author: Röper Burkhardt
- Language: German
- Year: 1987
- Author: Röper Burkhardt
- Language: German
- Year: 1980
- Author: Röper Burkhardt
- Language: German
- Year: 1989
- Author: Röper Burkhardt
- Language: German
- Year: 1979
- Author: Röper Burkhardt
- Language: German
- Year: 1981