The article discusses the origins of Sergei Yesenin’s acquaintance with the novel What Is to Be Done. by N. G. Chernyshevsky: this happened in Spas-Klepikovskaya second-class teacher’s school in 1909-1912. https://www.roneverhart.com/M-M-s-Speckled-Easter-Eggs-Candy-10-13-Ounce-Bag/