- Author: Glyn P. Norton
- Language: English
- Year: 1975
- Author: Werner Vogels (editor)
- Language: German
- Year: 1921
- Author: Hermann Bauer, Lorenz Dittmann
- Language: German
- Year: 1963
- Author: Wolfgang Steinitz
- Language: German
- Year: 1956
- Author: Paul A. Mankin
- Language: English
- Year: 1971
- Author: Michael Hecht (editor), Elisabeth Timm (editor)
- Language: German
- Year: 2022
- Author: Joelle Weis
- Language: German
- Year: 2021
