GIGOŃ, MATEUSZ. Disappearing signs. Can the changes in The Polish chivalric coats-of-arm s be traced in medieval sources?. Journal of Education Culture and Society, [S. l.], v. 3, n. 1, p. 105–114, 2020. DOI: 10.15503/jecs20121.105.114. Disponível em: https://jecs.pl/index.php/jecs/article/view/811. Acesso em: 31 jan. 2025.