Columbia subject headings:
Authors, Russian--20th century--History and criticism.
Authors, Russian--Foreign countries--20th century.
Authors, Russian--Foreign countries--Biography.
Russia--Emigration and immigration--History--20th century.
Russian literature--20th century--Biography.
Russian literature--20th century--History and criticism--Textbooks.
Russian literature--Foreign countries--20th century--History and criticism.
Russian poetry--Foreign countries--20th century.
Harvard subject headings:
Princeton subject headings:
Authors, Russian--20th century--History and criticism.
Authors, Russian--Foreign countries--20th century.
Authors, Russian--Foreign countries--Biography.
Russia--Emigration and immigration--History--20th century.
Russian literature--20th century--Biography.
Russian literature--20th century--History and criticism--Textbooks.
Russian literature--Foreign countries--20th century--History and criticism.
Russian poetry--Foreign countries--20th century.