GWIOŹDZIK, Jolanta. Old polish Christmas carols by contemplative nuns (seventeenth and eighteenth centuries). Interdisciplinary Studies in Musicology, [S. l.], v. 11, p. 169–186, 2018. Disponível em: https://pressto.amu.edu.pl/index.php/ism/article/view/15047. Acesso em: 27 lis. 2024.