- Author: Oliver Kohl Carola Dehmel
- Language: German
- Year: 2010
- Author: Sven-David Müller · Christiane Weißenberger
- Language: German
- Year: 2008
- Author: Sven-David Müller-Nothmann · Christiane Weißenberger
- Language: German
- Year: 2007
- Author: Manfred Domnowski
- Language: German
- Year: 2005
- Author: Jutta König
- Language: German
- Year: 2005
- Author: Barbara Messer
- Language: German
- Year: 2006