Szyrwiński, J. 2021. 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, (kwi. 2021), 80–90. DOI:https://doi.org/10.21697/sc.2015.22.08en.