Columbia subject headings:
Authors, Exiled--China.
Poets, Russian--20th century.
Russian literature--20th century--History and criticism.
Harvard subject headings:
Authors, Exiled--China.
Poets, Russian--20th century.
Russian literature--20th century--History and criticism
Princeton subject headings:
Authors, Exiled--China.
Poets, Russian--20th century.
Russian literature--20th century--History and criticism.