- Author: Bert Bielefeld, Sebastian El Khouli
- Language: German
- Year: 2010
- Author: Bert Bielefeld, Sebastian El Khouli
- Language: English
- Year: 2017
- Author: Bert Bielefeld (editor), Sebastian El khouli (editor), Bert Bielefeld (editor)
- Language: English
- Year: 2019
- Author: Hans Drexler, Sebastian El khouli
- Language: German
- Year: 2012
- Author: Hans Drexler, Sebastian El khouli
- Language: English
- Year: 2012