Richardson, Alan, 1923-

Canberra, Australian National University Press [distributed in the U.S. by International Scholarly Book Services, Portland, Oregon] 1974.

Internet Archive >> None

Coleman, Terry, 1931-

New York, Pantheon Books [1972]

Internet Archive >> None

London : University of London, Institute of Commonwealth Studies, 1982.

Internet Archive >> None

Roe, Michael, 1931-

Cambridge ; New York : Cambridge University Press, 1995.

Internet Archive >> None