- Author: Lynda Ball, Paul Drijvers, Silke Ladel, Hans-Stefan Siller, Michal Tabach, Colleen Vale
- Language: English
- Year: 2018
- Author: Raphael Wess, Heiner Klock, Hans-Stefan Siller, Gilbert Greefrath
- Language: English
- Year: 2021
- Author: Hans-Stefan Siller Gilbert Greefrath Werner Blum
- Language: German
- Year: 2018
- Author: Lina Pilypaitytė Hans-Stefan Siller (eds.)
- Language: German
- Year: 2018
- Author: Jürgen Maaß Hans-Stefan Siller (eds.)
- Language: German
- Year: 2014