- Author: Erkki Salonen
- Language: German
- Year: 1975
- Author: Heather D. Baker
- Language: English
- Year: 2004
- Author: Francis Joannès
- Language: French
- Year: 1982
- Author: Erkki Salonen
- Language: German
- Year: 1976
- Author: Viktor Stegemann
- Language: German
- Year: 1934
- Author: Tom Butler-Bowdon
- Language: English
- Year: 2017
- Author: Butler-Bowdon Tom
- Language: English
- Year: 2017
- Author: Robert DiYanni
- Language: English
- Year: 2021
- Author: Eberhard Schrader (ed.)
- Language: German
- Year: 1896
- Author: Eberhard Schrader (ed.)
- Language: German
- Year: 1892