- Author: Oliver Herwig
- Language: English
- Year: 2008
- Author: Oliver Herwig
- Language: English
- Year: 2022
- Author: Oliver Herwig
- Language: German
- Year: 2008
- Author: Oliver Herwig
- Language: German
- Year: 2022
- Author: Keiko Arima, Oliver Herwig, Frank Kaltenbach, Julia Liese, Roland Pawlitschko, Christian Schittich, Heide Wessely
- Language: German
- Year: 2012
- Author: Oliver Herwig
- Language: English
- Year: 2008