Szyrwiński, Jan. «The Economic and Foundation Activity of Jan of Pilcza (ca. 1405-1476), the Castellan of Cracow. The Profile Against the Background of the Selected Iuniores Faction representatives’ Activity». Saeculum Christianum 22 (aprile 26, 2021): 80–90. Consultato agosto 25, 2024. https://czasopisma.uksw.edu.pl/index.php/sc/article/view/8570.