Columbia subject headings:
Harvard subject headings:
Africa--Foreign relations--South Africa.
Africa--Foreign relations--United States.
South Africa--Foreign relations--Africa.
South Africa--Foreign relations--United States
United States--Foreign relations--Africa.
United States--Foreign relations--South Africa.
Princeton subject headings:
Africa--Foreign relations--South Africa.
Africa--Foreign relations--United States.
South Africa--Foreign relations--Africa.
United States--Foreign relations--Africa.