Columbia subject headings:
Harvard subject headings:
Russian literature--19th century--History and criticism
Russian literature--20th century--History and criticism
Soviet Union--History--Revolution, 1917-1921.
Soviet Union--Intellectual life--1917-1970.
Princeton subject headings:
Russian literature--19th century--History and criticism.
Russian literature--20th century--History and criticism.
Soviet Union--History--Revolution, 1917-1921.
Soviet Union--Intellectual life.