Columbia subject headings:
Authors, Russian--20th century--Biography.
Russian literature--19th century--History and criticism.
Russian literature--20th century--History and criticism.
Harvard subject headings:
Authors, Russian--20th century--Biography
Russian literature--19th century--History and criticism
Russian literature--20th century--History and criticism
Princeton subject headings:
Authors, Russian--20th century--Biography.
Russian literature--19th century--History and criticism.
Russian literature--20th century--History and criticism.