Columbia subject headings:
Africa--Economic conditions--1960-
Africa--Foreign relations--1960-
Africa--Foreign relations--United States.
Africa--Politics and government--1960-
United States--Foreign relations--Africa.
Harvard subject headings:
Africa--Economic conditions--1960-
Africa--Foreign relations--1960-
Africa--Foreign relations--United States.
Africa--Politics and government--1960-
United States--Foreign relations--Africa.
Princeton subject headings:
Africa--Economic conditions--1960-
Africa--Foreign relations--1960-
Africa--Foreign relations--United States.
Africa--Politics and government--1960-
United States--Foreign relations--Africa.