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