1. BEGLER, Elsie 1978 Sex, status and authority in egalitarian society, American Anthropologist 80: 3: 571-589.
2. BOSERUP, Esther 1970 Women’s Role in Economic Development, London: Allen and Unwin.
3. ENGELS, Frederick 1972 The Origin of the Family, Private Property and the State, New York: International Publishers.
4. ROSALDO, Michelle Zimbalist and Louise LAMPHERE 1974 Woman, Culture and Society, Stanford University Press.