- Author: Johannes Abel
- Language: German
- Year: 2023
- Author: Neville Kirk
- Language: English
- Year: 2017
- Author: James Giles
- Language: English
- Year: 1999
- Author: Arthur J. Ray
- Language: English
- Year: 2016
- Author: Siegfried Wenzel
- Language: English
- Year: 1978
- Author: Zielcke Andreas
- Language: German
- Year: 1980
- Author: Woelk Birgit
- Language: German
- Year: 1994
- Author: Wild Frank
- Language: German
- Year: 2004
- Author: Vitzthum Wolfgang Graf, Proelß Alexander
- Language: German
- Year: 2017
- Author: Timmermann Heiner
- Language: German
- Year: 1999