Columbia subject headings:
Communism and intellectuals.
Communism and society.
Russia--Intellectual life--1801-1917.
Harvard subject headings:
Communism--Russia--History--19th century.
Communism--Soviet Union--History--19th century.
Russia--Intellectual life--1801-1917.
Princeton subject headings:
Communism--Russia--History--19th century.
Russia--Intellectual life--1801-1917.