Columbia subject headings:
Authors, Russian--20th century--Biography.
Intellectuals--Russia--Biography.
Intellectuals--Soviet Union--Biography.
Klychkov, Sergeĭ, 1889-1937.
Poets, Russian--20th century--Biography.
Russian literature--20th century--History and criticism.
Harvard subject headings:
Authors, Russian--20th century--Biography
Intellectuals--Russia--Biography.
Intellectuals--Soviet Union--Biography.
Klychkov, Sergeĭ, 1889-1937--Biography.
Klychkov, Sergeĭ, 1889-1940.
Poets, Russian--20th century--Biography
Princeton subject headings:
Authors, Russian--20th century--Biography.
Intellectuals--Russia--Biography.
Intellectuals--Soviet Union--Biography.
Klychkov, Sergeĭ, 1889-1940--Biography.
Poets, Russian--20th century--Biography.