SKOWRONEK, Alfons. Chrystologia Pieta Schoonenberga. Śląskie Studia Historyczno-Teologiczne, [S. l.], v. 8, p. 43–52, 1975. Disponível em: https://journals.us.edu.pl/index.php/ssht/article/view/22375. Acesso em: 5 grudz. 2025.