- Author: Thiemo Breyer (editor), Thomas Widlok (editor)
- Language: English
- Year: 2018
- Author: Arianna Ferrari (editor), Klaus Petrus (editor)
- Language: German
- Year: 2015
- Author: Simone Horstmann (editor), VolkswagenStiftung (editor)
- Language: German
- Year: 2021