The Fortress Cities on the Onega in the XVII Century. project baikal, Irkutsk, Russian Federation, v. 16, n. 61, p. 106–111, 2019. DOI: 10.7480/projectbaikal.61.1511. Disponível em: https://projectbaikal.com/index.php/pb/article/view/1511. Acesso em: 10 may. 2026.