TOWAREK, P. Prayer „Sub Tuum praesidium”: Time of Origin, Place in Liturgy and Reception in Musical Culture. Outline of the Issues. Vox Patrum, [S. l.], v. 80, p. 239–268, 2021. DOI: 10.31743/vp.12929. Disponível em: https://czasopisma.kul.pl/index.php/vp/article/view/12929. Acesso em: 22 sep. 2023.