PONIATOWSKI, MIchał. Anna Olszewska’s doctorate. Canon Law. Legal and Historical Quarterly, [S. l.], v. 60, n. 1, p. 211–214, 2017. Disponível em: https://czasopisma.uksw.edu.pl/index.php/pk/article/view/2231. Acesso em: 8 dec. 2025.