Columbia subject headings:
Harvard subject headings:
Esenin, Sergeĭ Aleksandrovich, 1895-1925--Biography--Last years and death.
Poets, Russian--20th century--Biography
Princeton subject headings:
Esenin, Sergeĭ Aleksandrovich, 1895-1925--Biography--Last years.
Nasedkin, V. (Vasiliĭ), 1895-1937.
Poets, Russian--20th century--Biography.