Columbia subject headings:
Apartheid--South Africa.
Prime ministers--South Africa--History.
South Africa--Foreign relations.
South Africa--Politics and government.
Harvard subject headings:
Apartheid--South Africa
Prime ministers--South Africa--History.
South Africa--Foreign relations.
South Africa--Politics and government.
Princeton subject headings:
Apartheid--South Africa.
Prime ministers--South Africa.
South Africa--Foreign relations.
South Africa--Politics and government.