Columbia subject headings:
Africa--Politics and government--1960-
Apartheid--South Africa.
Harvard subject headings:
Africa--Politics and government--1960-
Apartheid--South Africa
Princeton subject headings:
Africa--Foreign relations.
Africa--Politics and government.
Chad--Politics and government.
Namibia--Politics and government.
Nigeria--Politics and government.
South Africa--Race relations.
Western Sahara--Politics and government.