- Author: Krüger Thomas
- Language: German
- Year: 2015
- Author: Krüger Thomas
- Language: German
- Year: 2015
- Author: Krüger Thomas, Riedel Anton
- Language: German
- Year: 2018
- Author: cbt, Krüger Thomas, Riedel Anton
- Language: German
- Year: 2017
- Author: Guido Krüger Thomas Stark
- Language: German
- Year: 2009