- Author: Simons Lothar
- Language: German
- Year: 1967
- Author: Mayer-Maly Dorothea, Simons Peter M.
- Language: German
- Year: 1983
- Author: Marc Laureys, Roswitha Simons
- Language: German
- Year: 2010
- Author: Russ Simons
- Language: English
- Year: 1993
- Author: Markus Meumann, Olaf Simons (Hg.)
- Language: German
- Year: 2017