- Author: Marchment Robin
- Language: German
- Year: 2012
- Author: Sultan Abdul H
- Language: English
- Year: 2009
- Author: Stauber Manfred, Weyerstahl Thomas
- Language: German
- Year: 2007
- Author: Ebert Andreas D.
- Language: German
- Year: 2006
- Author: Behre Hermann M., Keck Christoph
- Language: German
- Year: 2002
- Author: Hengstberger Maria
- Language: German
- Year: 2007
- Author: Raith-Paula Elisabeth
- Language: German
- Year: 2008
- Author: Steiner Horst
- Language: German
- Year: 2008
- Author: Sohn Christof, Schiesser Monika, Krapfl-Gast Anne-Sybil
- Language: German
- Year: 2001