Columbia subject headings:
Agriculture and state--Soviet Union--History--20th century.
Agriculture--Soviet Union--History--20th century.
Peasants--Soviet Union--History--20th century.
Soviet Union--Rural conditions.
Harvard subject headings:
Agriculture and state--Soviet Union.
Agriculture, Cooperative--Soviet Union--History--Sources.
Princeton subject headings:
Agriculture and state--Soviet Union--History--Sources.
Agriculture, Cooperative--Soviet Union--History--Sources.