KAMCZYK, Wojciech. Tom 30 (1997). Śląskie Studia Historyczno-Teologiczne, [S. l.], v. 30, p. 415–416, 1998. Disponível em: https://journals.us.edu.pl/index.php/ssht/article/view/21007. Acesso em: 5 grudz. 2025.