- Author: Kramer Rolf
- Language: German
- Year: 1990
- Author: Kramer Rolf
- Language: German
- Year: 1998
- Author: Kramer Rolf
- Language: German
- Year: 1992
- Author: Kramer Rolf
- Language: German
- Year: 2004
- Author: Kramer Rolf
- Language: German
- Year: 2007
- Author: Kramer Rolf
- Language: German
- Year: 2009
- Author: Kramer Rolf
- Language: German
- Year: 2000
- Author: Kramer Rolf
- Language: German
- Year: 2002
- Author: Kramer Rolf
- Language: German
- Year: 1994
- Author: Kramer Rolf
- Language: German
- Year: 1996