Columbia subject headings:
Exiles' writings, Russian--20th century.
Gumilev, N. (Nikolaĭ), 1886-1921--Poetry.
Russian poetry--20th century.
Russian poetry--Foreign countries.
Harvard subject headings:
Exiles' writings, Russian--20th century.
Gumilev, N. (Nikolaĭ), 1886-1921--Poetry.
Russian poetry--20th century
Russian poetry--Foreign countries--20th century.
Princeton subject headings:
Exiles' writings, Russian--20th century.
Gumilev, N. (Nikolaĭ), 1886-1921--Poetry.
Poetry.
Russian poetry--20th century.
Russian poetry--Foreign countries.