1. Black in blue: A study of the Negro policeman;Alex,1969
2. New York cops talk back: A study of a beleaguered minority;Alex,1976
3. Minorities and the police;Bayley,1969
4. The new lone ranger: Police women on patrol;Belknap;American Journal of Police,1992
5. Sex differences in occupational values;Bridges;Sex Roles,1989