Columbia subject headings:
Authors, Russian--20th century--Bibliography--Catalogs.
Authors, Russian--Foreign countries--Bibliography--Catalogs.
Russian poetry--20th century--Bibliography--Catalogs.
Russian poetry--Foreign countries--Bibliography--Catalogs.
Harvard subject headings:
Russian poetry--20th century--Bibliography.
Russian poetry--Foreign countries--Bibliography.
Princeton subject headings:
Authors, Russian--20th century--Bibliography--Catalogs.
Authors, Russian--Foreign countries--Bibliography--Catalogs.
Catalogs.
Russian poetry--20th century--Bibliography--Catalogs.
Russian poetry--Foreign countries--Bibliography--Catalogs.