Columbia subject headings:
Africa, Sub-Saharan--Economic conditions--1960-
Africa, Sub-Saharan--Politics and government--1960-
Africa, Sub-Saharan--Social conditions--1960-
Harvard subject headings:
Africa, Sub-Saharan--Civilization.
Africa, Sub-Saharan--Economic conditions.
Africa, Sub-Saharan--Social conditions.
Princeton subject headings:
Africa, Sub-Saharan--Civilization.
Africa, Sub-Saharan--Economic conditions.
Africa, Sub-Saharan--Social conditions.