BETLEJ, A. Nieznane listy Henryka i Karola Marconich ze zbiorów The Getty Research Institute. Sacrum et Decorum, [S. l.], n. 7, p. 136–146, 2014. Disponível em: https://journals.ur.edu.pl/setde/article/view/4908. Acesso em: 22 lis. 2024.