Leo Tolstoy (2016). “ANNA KARENINA – Two Unabridged Translations in One Premium Edition (World Classics Series): The Greatest Romantic Tragedy of All Times from the Renowned Author of War and Peace & The Death of Ivan Ilyich (Including Biographies of the Author)”, p.1836, e-artnow
Leo Tolstoy (2016). “The Complete Novels of Leo Tolstoy in One Premium Edition (World Classics Series): Anna Karenina, War and Peace, Resurrection, Childhood, Boyhood, Youth, The Cossacks, The Death of Ivan Ilyich... (Including Biographies of the Author)”, p.105, e-artnow