
- Author: Christian Schittich (editor)
- Language: German
- Year: 2007

- Author: Christian Schittich (editor), Andrea Wiegelmann (editor), Walter Stamm-Teske (editor), Lars-Christian Uhlig (editor), Patrick Jung (editor)
- Language: German
- Year: 2006

- Author: Christian Schittich (editor), Gert Kähler (editor), Rüdiger Krisch (editor)
- Language: English
- Year: 2005

- Author: Christian Schittich (editor)
- Language: Spanish
- Year: 2013

- Author: Christian Schittich (editor)
- Language: German
- Year: 2012

- Author: Christian Schittich (editor)
- Language: German
- Year: 2009

- Author: Christian Schittich (editor)
- Language: English
- Year: 2007

- Author: Christian Schittich (editor)
- Language: German
- Year: 2012

- Author: Christian Schittich (editor)
- Language: English
- Year: 2010

- Author: Christian Schittich (editor)
- Language: Spanish
- Year: 2005