- Author: Alfie Kohn Patrick Shannon (editors)
- Language: English
- Year: 2002
- Author: Elliott Jaques
- Language: English, Multilingual
- Year: 1967
- Author: Sir Claus Moser, G. Kalton
- Language: English
- Year: 1977
- Author: Angus Maciver
- Language: English
- Year: 2013
- Author: Edward A Alpers
- Language: English
- Year: 1975
- Author: James C. Jackson and Martin Rudner
- Language: English
- Year: 1979
- Author: Anthony Reid and David Marr
- Language: English
- Year: 1979
- Author: Alfons van der Kraan
- Language: English
- Year: 1980
- Author: Adewale Maja-Pearce
- Language: English
- Year: 1991
- Author: Ahmed Idha Salim
- Language: English
- Year: 1984