- Author: Nils Jörn, Haik Thomas Porada
- Language: German
- Year: 2018
- Author: Herbert Popp, Haik Thomas Porada, Klaus Bitzer
- Language: German
- Year: 2019
- Author: Ulrich Harteisen, Ansgar Hoppe, Hansjörg Küster, Torsten W. Müller, Haik Thomas Porada, Gerold Wucherpfennig
- Language: German
- Year: 2018
- Author: Hans-Jürgen Hardtke, Sarah Jacob, Karl Mannsfeld, Haik Thomas Porada, Michael Strobel, André Thieme, Thomas Westphalen
- Language: German
- Year: 2022
- Author: Peter Gärtner, Lisa Merkel, Haik Thomas Porada
- Language: German
- Year: 2020