Columbia subject headings:
Russian literature--20th century--History and criticism.
Russian literature--21st century--History and criticism.
Russian literature--History and criticism.
Harvard subject headings:
Russian literature--20th century--History and criticism
Russian literature--21st century--History and criticism
Russian literature--History and criticism
Princeton subject headings:
Russian literature--20th century--History and criticism.
Russian literature--21st century--History and criticism.
Russian literature--History and criticism.