Columbia subject headings:
Soviet Union--History--1917-1936.
Soviet Union--Politics and government--1917-1936.
Statesmen--Soviet Union--Biography.
Harvard subject headings:
Soviet Union--History.
Soviet Union--Politics and government--1917-1936.
Statesmen--Soviet Union--Biography.
Princeton subject headings:
Communism--Soviet Union--History.
Soviet Union--History.
Soviet Union--Politics and government.