Sergej Aleksandrovič
Esenin
poeta
russo
- ↑ 1,0 1,1 Grande Enciclopedia Sovietica 1969–1978
- ↑ 2,0 2,1 Concise Literary Encyclopedia
- ↑ Encyclopædia Britannica
- ↑ Grande Enciclopedia Russa
- ↑ Writers of St. Petersburg. XX century
- ↑ SNAC
- ↑ Find a Grave
- ↑ International Music Score Library Project