Columbia subject headings:
Communism--Soviet Union--History.
Soviet Union--Politics and government--1917-1936.
Soviet Union--Politics and government--1936-1953.
Harvard subject headings:
Lenin, Vladimir Ilʹich, 1870-1924
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings:
Lenin, Vladimir Ilʹich, 1870-1924.
Soviet Union--History--Revolution, 1917-1921.