LEDOVSKAYA, Olga. The Tsar. Purification through faith. Gosudarstvennaya Sluzhba, [S. l.], v. 11, n. 6, p. 105–107, 2009. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/20976. Acesso em: 8 nov. 2026.