- Author: O. W. Haseloff, E. Jorswieck, Eloy Fuente Herrero
- Language: Spanish, Castilian
- Year: 1971
- Author: Otto Walter Haseloff, Eduard Jorswieck
- Language: German
- Year: 1970
- Author: Otto W. Haseloff, Eduard Jorswieck
- Language: German
- Year: 1971
- Author: Otto W. Haseloff Eduard Jorswieck
- Language: German
- Year: 1971
- Author: Eduard Jorswieck Holger Boche
- Language: English
- Year: 2007