MERING, Wiesław Alojzy. A brief by Włocławek Bishop, Wiesław Alojzy Mering. Studia Włocławskie, [S. l.], v. 19, p. 7–8, 2017. Disponível em: https://ttn.wloclawek.pl/czasopisma/StudiaWloclawskie/article/view/190. Acesso em: 17 may. 2024.