- Author: Gerhardt Volker, Kauffmann Clemens, Kraus Hans-Christof, Mehring Reinhard, Ottmann Henning, Thompson Martyn P., Zehnpfennig Barbara
- Language: German
- Year: 2012
- Author: Freytag Nils
- Language: German
- Year: 2003
- Author: Emad Parvis, Herrmann Friedrich-Wilhelm von, Maly Kenneth, David Pascal, Coriando Paola-Ludovika, Schüßler Ingeborg
- Language: German
- Year: 2006
- Author: Eick-Wildgans Susanne
- Language: German
- Year: 1993
- Author: Dölemeyer Barbara, Klippel Diethelm
- Language: German
- Year: 1998
- Author: Dietze Gottfried
- Language: German
- Year: 1997
- Author: Dietz Barbara
- Language: German
- Year: 1995