Columbia subject headings:
Social prediction--South Africa.
South Africa--Economic conditions.
South Africa--Politics and government.
South Africa--Social conditions.
Harvard subject headings:
Social prediction--South Africa.
South Africa--Economic conditions.
South Africa--Politics and government.
South Africa--Social conditions.
Princeton subject headings:
Social prediction--South Africa.
South Africa--Economic conditions.
South Africa--Politics and government.
South Africa--Social conditions.