- Author: Oliver Heckmann (editor), Friederike Schneider (editor)
- Language: German
- Year: 2012
- Author: Oliver Heckmann (editor), Friederike Schneider (editor), Eric Zapel (editor)
- Language: German
- Year: 2017
- Author: Oliver Heckmann (editor), Friederike Schneider (editor), Eric Zapel (editor)
- Language: English
- Year: 2017
- Author: Oliver Heckmann (editor), Friederike Schneider (editor)
- Language: English
- Year: 2012
- Author: Oliver Heckmann, Friederike Schneider
- Language: English
- Year: 2011
- Author: Oliver Heckmann, Friederike Schneider
- Language: English
- Year: 2017