Columbia subject headings:
Russian literature--20th century--History and criticism.
Russian literature--Foreign countries--History and criticism.
Soviet Union--History--Revolution, 1917-1921--Literature and the revolution.
Harvard subject headings:
Political refugees--Soviet Union--Intellectual life.
Russian literature--20th century--History and criticism
Russian literature--Foreign countries--History and criticism.
Russians--Foreign countries--Intellectual life.
Soviet Union--History--Revolution, 1917-1921--Literature and the revolution.
Soviet Union--History--Revolution, 1917-1921--Sources.
Princeton subject headings:
Political refugees--Soviet Union--Intellectual life.
Russian literature--20th century--History and criticism.
Russian literature--Foreign countries--History and criticism.
Russians--Foreign countries--Intellectual life.
Soviet Union--History--Revolution, 1917-1921--Literature and the revolution.
Soviet Union--History--Revolution, 1917-1921--Sources.