Gutorov Г. Problems of studying and classifying pictorial historical sources. The Church Historian, [S. l.], n. 4 (14), p. 147–158, 2023. DOI: 10.31802/CH.2023.14.4.010. Disponível em: https://publishing.mpda.ru/index.php/the-church-historian/article/view/1649. Acesso em: 7 nov. 2026.