1. Hermann Giliomee, The Afrikaners. Biography of a People (Cape Town: Tafelberg, 2003).
2. L. Pretorius and W.B. Vosloo, “Interest Groups in the Republic of South Africa,” The Annals of the American Academy of Political and Social Science 413 (May 1974): 72–85;
3. Peter Harris, “Interest Groups in the South African Political Process,” in Worrall, D. (ed.), South Africa: Government and Politics (Pretoria: JL van Schaik, 1975), 253–284.
4. Muriel Horrell, Laws Affecting Race Relations in South Africa, 1948–1976 (Johannesburg: South African Institute of Race Relations, 1978), 144–149.
5. Hennie Kotzé and Anneke Greyling, Political Organisations in South Africa, A-Z (Cape Town: Tafelberg, 1991), 81–91.