Columbia subject headings:
Africa, Southern--Politics and government--1975-1994.
Africa, Southern--Relations--United States.
Africa, Sub-Saharan--Politics and government.
Africa, Sub-Saharan--Relations--United States.
United States--Foreign relations--1974-1977.
United States--Foreign relations--1977-1981.
United States--Relations--Africa, Southern.
United States--Relations--Africa, Sub-Saharan.
Harvard subject headings:
Africa, Southern--Politics and government--1975-
Africa, Southern--Politics and government--1975-1994
Africa, Southern--Relations--United States.
Africa, Sub-Saharan--Politics and government--1960-
Africa, Sub-Saharan--Relations--United States.
United States--Foreign relations--1974-1977
United States--Foreign relations--1977-1981
United States--Relations--Africa, Southern.
United States--Relations--Africa, Sub-Saharan.
Princeton subject headings:
Africa, Southern--Foreign relations--United States.
United States--Foreign relations--Africa, Southern.