Columbia subject headings:
Harvard subject headings:
Ethiopia--Foreign relations--Soviet Union.
Ethiopia--Foreign relations--United States.
Ethiopia--Politics and government--1974-1991.
Soviet Union--Foreign relations--Ethiopia.
United States--Foreign relations--Ethiopia.
Princeton subject headings:
Ethiopia--Foreign relations--Soviet Union.
Ethiopia--Foreign relations--United States.
Ethiopia--Politics and government--1974-1991.
Soviet Union--Foreign relations--Ethiopia.
United States--Foreign relations--Ethiopia.