- Author: Tobias R. Philbin
- Language: English
- Year: 1982
- Author: Kurd von Schlözer
- Language: German
- Year: 1851
- Author: Mortimer Ian, Schuler Karin
- Language: German
- Year: 2014
- Author: Christos Thomas, Scholz Barbara
- Language: German
- Year: 2014
- Author: Bolt Robert
- Language: German
- Year: 1966
- Author: Carlo Costantini
- Language: Italian
- Year: 2009