
- Author: Harry G. Frankfurt (editor), Monika Betzler (editor), Barbara Guckes (editor)
- Language: German
- Year: 2001

- Author: Monika Betzler (editor)
- Language: English
- Year: 2008

- Author: Monika Betzler (editor), Barbara Guckes (editor)
- Language: German
- Year: 2001