- Author: A. F. Bermant
- Language: English
- Year: 1963
- Author: J. C. Burkill
- Language: English
- Year: 1978
- Author: J. C. Burkill
- Language: English
- Year: 1970
- Author: Spivak Michael
- Language: English
- Year: 1998
- Author: John Fritz, Courant Richard
- Language: English
- Year: 1999
- Author: John Fritz, Courant Richard
- Language: English
- Year: 1989
- Author: Gregersen Erik
- Language: English
- Year: 2011
- Author: Anton Howard, Bivens Irl, Davis Stephen
- Language: English
- Year: 2015
- Author: Kathleen M. Urwin
- Language: English
- Year: 1966
- Author: Idris Assani
- Language: English
- Year: 2003