1. Cited in H. Giliomee, The Afrikaners: Biography of a People (London: Hurst and Company, 2003), p. 310.
2. Studies include: M. Edmunds, “Population Dynamics and Migrant Labour in South Africa,” in K.L. Michaelson (ed.), And the Poor Get Children: Radical Perspectives on Population Dynamics (New York: Monthly Review Press, 1981), pp. 154–79;
3. M. Gray, “Race Ratios: The Politics of Population Control in South Africa,” in L. Bondestam and S. Bergstrom (eds), Poverty and Population Control (London: Academic Press, 1980), pp. 137–55;
4. B. Brown, “‘Facing the Black Peril’: The Politics of Population Control in South Africa,” Journal of Southern African Studies, 13, 3 (1987), pp. 256–73;
5. B. Klugman, “The Political Economy of Population Control in South Africa,” (BA thesis, University of the Witwatersrand, 1980);