PIECHOCKA-KŁOS, M. Saint Martin in Polish local self-government heraldry. Forum Teologiczne, [S. l.], v. 23, p. 37–49, 2022. DOI: 10.31648/ft.8026. Disponível em: https://czasopisma.uwm.edu.pl/index.php/ft/article/view/8026. Acesso em: 13 kwi. 2025.