“The Penance of St John Chrysostom. Lucas Cranach the Elder and Artistic Rivalry”. Rocznik Muzeum Narodowego w Warszawie. Nowa Seria / Journal of the National Museum in Warsaw. New Series, no. 14(50) (February 27, 2026): 122–142. Accessed February 28, 2026. https://rocznik.mnw.art.pl/ojs/index.php/rm/article/view/200.