SACHER, Andrzej. The systematization of the Canon Law of 1917 . Canon Law. Legal and Historical Quarterly, [S. l.], v. 63, n. 4, p. 139–150, 2020. DOI: 10.21697/pk.2020.63.4.07. Disponível em: https://czasopisma.uksw.edu.pl/index.php/pk/article/view/9330. Acesso em: 7 dec. 2025.