Columbia subject headings:
Exiles' writings, Russian--History and criticism.
Russian literature--History and criticism.
Russian poetry--History and criticism.
Harvard subject headings:
Russian literature--20th century--History and criticism
Russian literature--Foreign countries
Princeton subject headings:
Authors, Russian--20th century.
Exiles' writings, Russian--History and criticism.
Russian literature--20th century--History and criticism.
Russian literature--Foreign countries--20th century.