Columbia subject headings:
Africa, Sub-Saharan--Ethnic relations.
Africa, Sub-Saharan--Politics and government--1960-
Harvard subject headings:
Africa, Sub-Saharan--Ethnic relations.
Africa, Sub-Saharan--Politics and government--1960-
Princeton subject headings:
Africa, Sub-Saharan--Ethnic relations.
Africa, Sub-Saharan--Politics and government--1960-