Columbia subject headings:
Communist strategy--Congresses.
Propaganda, Communist--Congresses.
Soviet Union--Foreign relations--1945-1991.
Harvard subject headings:
Princeton subject headings:
Communist strategy--Congresses.
Latin America--Foreign relations--Soviet Union--Congresses.
Propaganda, Communist--Latin America--Congresses.
Soviet Union--Foreign relations--1953-1975--Congresses.
Soviet Union--Foreign relations--1975---Congresses.
Soviet Union--Foreign relations--Latin America--Congresses.