Columbia subject headings:
Communism--Soviet Union--History--20th century.
Lenin, Vladimir Ilʹich, 1870-1924.
Soviet Union--Politics and government.
Harvard subject headings:
Communism--Soviet Union--History
Lenin, Vladimir Ilʹich, 1870-1924
Soviet Union--Politics and government--1917-1936.
Princeton subject headings:
Communism--Soviet Union--History--20th century.
Lenin, Vladimir Ilʹich, 1870-1924.
Soviet Union--Politics and government.