Pushkin A. S. Essays. In 6 volumes. St. Petersburg : Brockhaus-Efron edition, 1907-1915. (The Library of great Writers. Pushkin : edited by S. A. Vengerov)

Pushkin A. S. Essays. In 6 volumes. St. Petersburg : Brockhaus-Efron edition, 1907-1915. (The Library of great Writers. Pushkin : edited by S. A. Vengerov)