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