Columbia subject headings:
Harvard subject headings:
Collectivization of agriculture--Soviet Union--Congresses.
Communism and agriculture--Soviet Union--Congresses.
Peasants--Russia--Congresses.
Peasants--Soviet Union--Congresses.
Princeton subject headings:
Collectivization of agriculture--Soviet Union--Congresses.
Communism and agriculture--Soviet Union--Congresses.
Peasants--Russia--Congresses.
Peasants--Soviet Union--Congresses.