Columbia subject headings:
Modernism (Literature)--Soviet Union.
Russian literature--19th century--History and criticism.
Russian literature--20th century--History and criticism.
Russian poetry--19th century--History and criticism.
Russian poetry--20th century--History and criticism.
Harvard subject headings:
Russian literature--19th century--History and criticism
Russian literature--20th century--History and criticism
Princeton subject headings:
Russian literature--19th century--History and criticism.
Russian literature--20th century--History and criticism.