Columbia subject headings:
Agriculture, Cooperative--Russia--History.
Agriculture, Cooperative--Soviet Union.
Cooperation--Russia--History.
Cooperation--Soviet Union--History.
Land tenure--Russia--History.
Land tenure--Soviet Union--History.
Harvard subject headings:
Agriculture, Cooperative--Russia--History.
Agriculture, Cooperative--Soviet Union.
Cooperation--Russia--History.
Cooperation--Soviet Union--History.
Land tenure--Russia--History
Land tenure--Soviet Union--History
Princeton subject headings:
Agriculture, Cooperative--Russia--History--20th century.
Agriculture, Cooperative--Soviet Union--History.
Cooperation--Russia--History--20th century.
Cooperation--Soviet Union--History.
Land tenure--Russia--History--20th century.
Land tenure--Soviet Union--History.
Mir--History--20th century.
Peasants--Russia--History--20th century.
Russia--Rural conditions.