Leo Tolstoy (2013). “The Non-Fiction of Leo Tolstoy: (Includes A Confession, The Kingdom of God is Within You, A Letter to a Hindu, Youth, Tolstoy on Shakespeare, What to Do)”, p.138, Golgotha Press
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.1150, e-artnow