- Author: Andrea Zedler, Jörg Zedler
- Language: German
- Year: 2019
- Author: Jörg Zedler
- Language: German
- Year: 2023
- Author: Jörg Zedler
- Language: German
- Year: 2022
- Author: Andrea Zedler, Jörg Zedler
- Language: German
- Year: 2017
- Author: Jörg Zedler
- Language: German
- Year: 2010