Columbia subject headings:
Harvard subject headings:
Lenin, Vladimir Ilʹich, 1870-1924. Materializm i ėmpiriokritit︠s︡izm.
Philosophy, Marxist.
Princeton subject headings:
Dialectical materialism.
Knowledge, Theory of.
Lenin, Vladimir Ilʹich, 1870-1924. Materializm i ėmpiriokritit︠s︡izm.