Columbia subject headings:
Europe--Imprints.
Exiles' writings, Russian--Bibliography.
Russian literature--20th century--Bibliography.
Underground literature--Soviet Union--Bibliography.
United States--Imprints.
Harvard subject headings:
Europe--Imprints.
Exiles' writings, Russian--Bibliography.
Russian literature--20th century--Bibliography
Underground literature--Soviet Union--Bibliography.
United States--Imprints.
Princeton subject headings:
Authors, Russian--20th century--Bibliography.
Authors, Russian--Foreign countries--Bibliography.
Exiles' writings, Russian--Bibliography.
Russian imprints--Bibliography.
Russian literature--20th century--Bibliography.