Columbia subject headings:
Harvard subject headings:
Capitalism--Congresses
Capitalism.
Imperialism--Congresses
Imperialism.
Lenin, Vladimir Ilʹich, 1870-1924
Lenin, Vladimir Ilʹich, 1870-1924--Congresses.
Marxian economics--Congresses.
Marxian economics.
Princeton subject headings:
Capitalism--Congresses.
Imperialism--Congresses.
Lenin, Vladimir Ilʹich, 1870-1924--Congresses.
Marxian economics--Congresses.