- Author: Royla Pascal
- Language: German
- Year: 2000
- Author: Riering Berthold
- Language: German
- Year: 1987
- Author: Reinicke Michael
- Language: German
- Year: 1989
- Author: Reinhard Thorsten
- Language: German
- Year: 1998
- Author: Raddatz Anselm
- Language: German
- Year: 1991
- Author: Pünder Hermann
- Language: German
- Year: 1995
- Author: Puwalla Wolfgang
- Language: German
- Year: 1987
- Author: Posser Herbert
- Language: German
- Year: 1993