Columbia subject headings:
Developing countries--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Developing countries.
World politics--1945-1989.
Harvard subject headings:
Developing countries--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Developing countries.
World politics--1945-
World politics--1945-1989
Princeton subject headings:
Developing countries--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Developing countries.
World politics--1945-1989.