LAVITSKAY, Marina. Orel nobility at the State service in the second half of the 19th century and in the beginning of the 20th century. Gosudarstvennaya Sluzhba, [S. l.], v. 10, n. 6, p. 190–195, 2008. Disponível em: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/20766. Acesso em: 9 nov. 2026.