Columbia subject headings:
Poets, Russian--20th century--Biography.
Smirnov, Sergeĭ, 1913-1993.
Harvard subject headings:
Poets, Russian--20th century--Biography
Smirnov, Sergeĭ, 1913-1993
Princeton subject headings:
Poets, Russian--20th century--Biography.
Smirnov, Sergeĭ (Sergeĭ Anatolʹevich), 1958-.