- Author: Siegmar Döpp
- Language: German
- Year: 1980
- Author: Thomas Berres
- Language: German
- Year: 1982
- Author: Daniel H. Garrison
- Language: English
- Year: 1978
- Author: Jørgen Mejer
- Language: English
- Year: 1978
- Author: John Douglas Minyard
- Language: English
- Year: 1978
- Author: Karl Büchner
- Language: German
- Year: 1976
- Author: Walter Wimmel
- Language: German
- Year: 1976
- Author: David Sansone
- Language: English
- Year: 1975
- Author: Felix Preisshofen
- Language: German
- Year: 1977
- Author: Konrad Heldmann
- Language: German
- Year: 1974