J. A. Van Zyl

• Adjustment of the 1985 census population of the RSA by district
• Demographic, social, and economic characteristics of South Africa's neighbouring countries
• Estimated population and structural aspects of housing in Soweto
• Geprojekteerde natuurlike aanwas van die swart bevolking in die PWV-gebied vanaf 1980-2020
• Income and expenditure patterns of urban Black multiple households in Port Elizabeth, 1985
• Stedelike ontwikkeling in die Noordoos-Vrystaat
• Swartes buite die nasionale state en TBVC-lande