ŻUREK, W. W. Rev. Profesor Bolesław Kumor. The church historian and educator. The symposium on the 15th anniversary of his death, Lublin 21 September 2017. Archiwa, Biblioteki i Muzea Kościelne, [S. l.], v. 108, p. 483–486, 2018. DOI: 10.31743/abmk.12549. Disponível em: https://czasopisma.kul.pl/index.php/abmk/article/view/12549. Acesso em: 4 maj. 2024.