Columbia subject headings:
South Africa--Economic conditions--1961-1991--Congresses.
South Africa--Politics and government--1961-1978--Congresses.
South Africa--Race relations--Congresses.
South Africa--Social conditions--1961-1994--Congresses.
Harvard subject headings:
Princeton subject headings:
Apartheid--South Africa--Congresses.
South Africa--Economic conditions--1961---Congresses.
South Africa--Politics and government--1948-1994--Congresses.
South Africa--Social conditions--Congresses.