Columbia subject headings:
Developing countries--Foreign relations--Congresses.
Developing countries--Foreign relations--Soviet Union--Congresses.
Developing countries--Foreign relations--United States--Congresses.
Developing countries--Foreign relations.
International relations.
Soviet Union--Foreign relations--Developing countries--Congresses.
United States--Foreign relations--Developing countries--Congresses.
World politics--20th century.
Harvard subject headings:
Developing countries--Foreign relations--Congresses.
Developing countries--Foreign relations--Soviet Union--Congresses.
Developing countries--Foreign relations--United States--Congresses.
Soviet Union--Foreign relations--Developing countries--Congresses.
United States--Foreign relations--Developing countries--Congresses.
Princeton subject headings:
Developing countries--Foreign relations--Congresses.
Developing countries--Foreign relations--Soviet Union--Congresses.
Developing countries--Foreign relations--United States--Congresses.
Soviet Union--Foreign relations--Developing countries--Congresses.
United States--Foreign relations--Developing countries--Congresses.