Columbia subject headings:
Developing countries--Foreign economic relations--Soviet Union.
Economic assistance, Soviet--Developing countries.
Soviet Union--Foreign economic relations--Developing countries.
Harvard subject headings:
Developing countries--Foreign economic relations--Soviet Union.
Economic assistance, Soviet--Developing countries.
Soviet Union--Foreign economic relations--Developing countries.
Soviet Union--Foreign relations--1953-1975.
Soviet Union--Foreign relations--1975-1985.
Princeton subject headings:
Developing countries--Foreign economic relations--Soviet Union.
Economic assistance, Soviet--Developing countries.
Soviet Union--Foreign economic relations--Developing countries.