Columbia subject headings:
Communism--Study and teaching--Soviet Union--Congresses.
Propaganda, Communist--Soviet Union--Congresses.
T︠S︡K KPSS--Congresses.
Harvard subject headings:
Communism--Study and teaching--Soviet Union--Congresses.
Propaganda, Communist--Soviet Union--Congresses.
T︠S︡K KPSS--Congresses.
Princeton subject headings:
Communism--Study and teaching--Soviet Union--Congresses.
Propaganda, Communist--Soviet Union--Congresses.
T︠S︡K KPSS--Congresses.