C. I. De Kock

• The acceptability level of black and white models in advertisements, 1981
• A guide to associations, industrial councils, trade unions, and co-operatives in the Republic of South Africa, 1979
• A Guide to directories, year books and buyers' guides in the Republic of South Africa
• Changes in the income and expenditure patterns of multiple urban non-white households, 1970 and 1975
• The prospects for a free, democratic election