GRACZYK, Waldermar. The abbots of the canons regular from Czerwińsk in the chapter of the collegiate church of St. Michael in Płock. Our Past, [S. l.], v. 108, p. 385–393, 2007. DOI: 10.52204/np.2007.108.385-393. Disponível em: https://ojs.academicon.pl/np/article/view/4253. Acesso em: 14 nov. 2026.