- Author: Oliver Harry Gerson
- Language: German
- Year: 2016
- Author: Oliver Harry Gerson
- Language: German
- Year: 2016
- Author: Oliver Harry
- Language: English
- Year: 2012
- Author: Oliver Harry
- Language: English
- Year: 2010
- Author: Mosedale Mike, Oliver Harry
- Language: English
- Year: 2012
- Author: Oliver Harry
- Language: English
- Year: 2010