- Author: Christian Hillgruber, Udo Di Fabio, Wolfgang Huber, Josef Isensee, Hans Maier, Robert Spaemann
- Language: German
- Year: 2014
- Author: Hans Maier Horst Denzer (ed.)
- Language: German
- Year: 2001
- Author: Hans Maier
- Language: English
- Year: 2004
- Author: Professor Dr. Hans Maier (auth.) Prof. Dr.-Ing. Wolfgang Kaiser (eds.)
- Language: German-English
- Year: 1982
- Author: Hans Maier
- Language: German
- Year: 1990