Columbia subject headings:
Agriculture and state--Soviet Union--History.
Collectivization of agriculture--Soviet Union--History.
Famines--Soviet Union--History--20th century.
Grain--Social aspects--Soviet Union.
Harvard subject headings:
Agriculture and state--Soviet Union--History.
Collectivization of agriculture--Soviet Union--History
Famines--Soviet Union--History--20th century.
Grain--Social aspects--Soviet Union.
Princeton subject headings: