Columbia subject headings:
Authors, Russian--Correspondence.
Esenin, Sergeĭ Aleksandrovich, 1895-1925.
Harvard subject headings:
Authors, Russian--Biography
Esenin, Sergeĭ Aleksandrovich, 1895-1925
Princeton subject headings:
Authors, Russian--Correspondence, reminiscences, etc.
Esenin, Sergeĭ Aleksandrovich, 1895-1925.