Columbia subject headings:
Harvard subject headings:
Collective farms--Russia--History--20th century.
Collective farms--Russia--History.
Collective settlements--Russia--History.
Land reform--Russia--History--20th century.
Mir--History--20th century.
Peasants--Russia--History--20th century.
Russia--Rural conditions
Village communities--Russia--History--20th century.
Princeton subject headings:
Land tenure--Russia--History.
Peasants--Russia--History.
Russia--Rural conditions.