- Author: Wadle Elmar
- Language: German
- Year: 1993
- Author: Wadle Elmar
- Language: German
- Year: 2001
- Author: Wadle Elmar
- Language: German
- Year: 1969
- Author: Wadle Elmar
- Language: German
- Year: 2012
- Author: Dilcher Gerhard, Lück Heiner, Schulze Reiner, Wadle Elmar, Weitzel Jürgen, Wolter Udo
- Language: German
- Year: 1992