Columbia subject headings:
Harvard subject headings:
Capitalism.
Imperialism.
Lenin, Vladimir Ilʹich, 1870-1924. Imperializm, kak noveĭshiĭ ėtap kapitalizma.
Princeton subject headings:
Imperialism.
Lenin, Vladimir Ilʹich, 1870-1924. Imperializm, kak noveĭshiĭ ėtap kapitalizma.