Columbia subject headings:
Esenin, Sergeĭ Aleksandrovich, 1895-1925. Inonii͡a.
Utopias in literature.
Harvard subject headings:
Esenin, Sergeĭ Aleksandrovich, 1895-1925. Inonii︢a︢.
Utopias in literature.
Princeton subject headings:
Esenin, Sergeĭ Aleksandrovich, 1895-1925. Inonii︠a︡.
Utopias in literature.