Columbia subject headings:
Communist Information Bureau--Congresses.
Communist Information Bureau--History--Sources.
Communist countries--Politics and government--Congresses.
Soviet Union--Foreign relations--1945-1991--Congresses.
Harvard subject headings:
Communist Information Bureau--Congresses.
Communist Information Bureau--History--Sources.
Communist countries--Politics and government--Congresses.
Soviet Union--Foreign relations--1945-1991--Congresses.
Princeton subject headings:
Communist Information Bureau--Congresses.
Communist Information Bureau--History--Sources.
Communist countries--Politics and government--Congresses.
Soviet Union--Foreign relations--1945-1991--Congresses.