- Author: Hoffmann-Riem Wolfgang, Kewenig Wilhelm A., Münch Ingo von, Ramm Thilo
- Language: German
- Year: 1980
- Author: Eifert Martin, Hoffmann-Riem Wolfgang
- Language: German
- Year: 2009
- Author: Eifert Martin, Hoffmann-Riem Wolfgang
- Language: German
- Year: 2009
- Author: Eifert Martin, Hoffmann-Riem Wolfgang
- Language: German
- Year: 2011
- Author: Eifert Martin, Hoffmann-Riem Wolfgang
- Language: German
- Year: 2008
- Author: Matthias Groß, Holger Hoffmann-Riem, Wolfgang Krohn
- Language: German
- Year: 2015