Columbia subject headings:
Africa--Economic conditions--1960-
Africa--Economic integration.
Africa--Politics and government--1960-
Africa--Social conditions--1960-
Harvard subject headings:
Africa--Economic conditions--1945-1960.
Africa--Economic integration.
Africa--Politics and government--1960-
Africa--Social conditions--1945-1960.
Princeton subject headings:
Africa--Economic conditions--1945-1960.
Africa--Economic conditions--1960-
Africa--Economic integration.
Africa--Politics and government--1960-
Africa--Social conditions--1960-