Columbia subject headings:
Russia (Federation)--History.
Russia--History--1801-1917.
Soviet Union--History.
Harvard subject headings:
Democracy--Russia (Federation)
Democracy--Russia.
Democracy--Soviet Union.
Russia (Federation)--Politics and government.
Russia--Politics and government--1801-1917.
Soviet Union--Politics and government.
Princeton subject headings:
Russia (Federation)--History.
Russia--History--1801-1917.
Soviet Union--History.