- Author: Wassermann Hendrik, Ooyen Robert Chr. van
- Language: German
- Year: 2018
- Author: Bull Hans Peter, Ooyen Robert Chr. van, Wassermann Hendrik
- Language: German
- Year: 2022
- Author: Ooyen Robert Chr. van, Wassermann Hendrik
- Language: German
- Year: 2021
- Author: Meier Horst, Leggewie Claus, Lichdi Johannes
- Language: German
- Year: 2017
- Author: Lücke Oliver
- Language: German
- Year: 2021
- Author: Ludwigs Markus, Schmahl Stefanie
- Language: German
- Year: 2021
- Author: Lepsius Oliver, Ooyen Robert Chr. van, Wassermann Hendrik
- Language: German
- Year: 2020
- Author: Gusy Christoph, Ooyen Robert Chr. van, Wassermann Hendrik
- Language: German
- Year: 2018
- Author: Gawron Thomas, Lembcke Oliver W., Ooyen Robert Chr. van
- Language: German
- Year: 2021
- Author: Frick Verena, Lembcke Oliver W., Lemke Matthias, Wolf Sebastian
- Language: German
- Year: 2021