References
- Busia , K. A. 1954 . “ Some aspects of the relation of social conditions to human fertility in the Gold Coast ” . In Culture and Human Fertility , Edited by: Lorimer , F. New York : UNESCO .
- Dorjahn , V. R. 1954 . The Demographic Aspects of African Polygyny , Doctoral dissertation Northwestern University . (Univ. Microfilms No. 9234)
- Fortes , M. 1954 . “ A demographic field study in Ashanti ” . In Culture and Human Fertility , Edited by: Lorimer , F. New York : UNESCO .
- Muhsam , H. V. 1956 . Fertility of polygamous marriages . Pop. Stud. , 10 : 3 – 16 .
- Ogburn , W. F. and Nimkoff , M. F. 1958 . Sociology , New York : Houghton-Mifflin .
- Wilber , D. N. 1955 . Iran: Past and Present, , Third ed. , Princeton : Princeton Univ. .