- Author: Halet Cambel, Wolfgang Röllig, John David Hawkins
- Language: German
- Year: 2011
- Author: Johannes Renz, Wolfgang Röllig
- Language: German
- Year: 2016
- Author: Johannes Renz, Wolfgang Röllig
- Language: German
- Year: 2016
- Author: Johannes Renz, Wolfgang Röllig
- Language: German
- Year: 2016
- Author: Johannes Renz, Wolfgang Röllig
- Language: German
- Year: 2016
- Author: Herbert Donner - Wolfgang Röllig
- Language: German
- Year: 2002