Columbia subject headings:
Apartheid--South Africa.
Referendum--South Africa.
South Africa--Politics and government.
South Africa--Race relations.
Harvard subject headings:
Referendum--South Africa.
South Africa--Foreign relations--United States
South Africa--Politics and government--1989-
South Africa--Politics and government--1989-1994.
United States--Foreign relations--South Africa.
Princeton subject headings:
Referendum--South Africa.
South Africa--Foreign relations--United States.
South Africa--Politics and government--1989-.
United States--Foreign relations--South Africa.