Columbia subject headings:
Land tenure--Soviet Union.
Russia--Politics and government--To 1533.
Russia--Social conditions--To 1801.
Soviet Union--Historiography.
Harvard subject headings:
Land tenure--Soviet Union
Russia--Politics and government--To 1533.
Soviet Union--Historiography.
Soviet Union--Social conditions.
Ukraine--Politics and government.
Ukraine--Social conditions.
Princeton subject headings: