- Author: Carl-Ludwig Holtfrerich (editor)
- Language: German
- Year: 1999
- Author: Carl-Ludwig Holtfrerich (editor)
- Language: English
- Year: 1988
- Author: Gerald D. Feldman (editor), Carl-Ludwig Holtfrerich (editor), Gerhard A. Ritter (editor), Peter-Christian Witt (editor)
- Language: German
- Year: 1984