Kossakowski, Adam. “Primum Post matricem. Gothic Architecture of the Collegiate Church of the Blessed Virgin Mary in Sandomierz”. Biuletyn Historii Sztuki 84, no. 4 (December 30, 2022): 715–764. Accessed July 4, 2024. https://czasopisma.ispan.pl/index.php/bhs/article/view/1253.