Columbia subject headings:
Africa, Sub-Saharan--Foreign relations--Soviet Union--Case studies--Congresses.
Africa, Sub-Saharan--Foreign relations--United States--Case studies--Congresses.
Angola--Politics and government--1975---Congresses.
Ethiopia--Politics and government--1974-1991--Congresses.
Mozambique--Politics and government--1975-1994--Congresses.
Socialism--Africa, Sub-Saharan--Case studies--Congresses.
Soviet Union--Foreign relations--Africa, Sub-Saharan--Case studies--Congresses.
United States--Foreign relations--Africa, Sub-Saharan--Case studies--Congresses.
Zimbabwe--Politics and government--1980---Congresses.
Harvard subject headings:
Africa, Sub-Saharan--Foreign relations--Soviet Union--Case studies--Congresses.
Africa, Sub-Saharan--Foreign relations--United States--Case studies--Congresses.
Angola--Politics and government--1975---Congresses.
Ethiopia--Politics and government--1974-1991--Congresses.
Mozambique--Politics and government--1975---Congresses.
Socialism--Africa, Sub-Saharan--Case studies--Congresses.
Soviet Union--Foreign relations--Africa, Sub-Saharan--Case studies--Congresses.
United States--Foreign relations--Africa, Sub-Saharan--Case studies--Congresses.
Zimbabwe--Politics and government--1980---Congresses.
Princeton subject headings:
Africa, Sub-Saharan--Foreign relations--Soviet Union--Case studies--Congresses.
Africa, Sub-Saharan--Foreign relations--United States--Case studies--Congresses.
Angola--Politics and government--1975---Congresses.
Ethiopia--Politics and government--1974-1991--Congresses.
Mozambique--Politics and government--1975-1994--Congresses.
Socialism--Africa, Sub-Saharan--Case studies--Congresses.
Soviet Union--Foreign relations--Africa, Sub-Saharan--Case studies--Congresses.
United States--Foreign relations--Africa, Sub-Saharan--Case studies--Congresses.
Zimbabwe--Politics and government--1980---Congresses.