Columbia subject headings:
Lenin, Vladimir Ilʹich, 1870-1924.
Philosophy, Russian.
Sociology--Soviet Union--History.
Harvard subject headings:
Lenin, Vladimir Ilʹich, 1870-1924
Philosophy, Russian.
Sociology--Soviet Union--History
Princeton subject headings:
Lenin, Vladimir Ilʹich, 1870-1924.
Philosophy, Russian.
Sociology--Soviet Union--History.