Columbia subject headings:
Russia--Intellectual life--1801-1917.
Russian literature--19th century--History and criticism.
Russian literature--20th century--History and criticism.
Soviet Union--Intellectual life--1917-1970.
Harvard subject headings:
Russia--Intellectual life--1801-1917.
Russian literature--19th century--History and criticism
Russian literature--20th century--History and criticism
Soviet Union--Intellectual life--1917-1970.
Princeton subject headings:
Russia--Intellectual life--1801-1917.
Russian literature--19th century--History and criticism.
Russian literature--20th century--History and criticism.
Soviet Union--Intellectual life.