Mering, W. A. (2017) “A brief by Włocławek Bishop, Wiesław Alojzy Mering”, Studia Włocławskie, 19, pp. 7–8. Available at: https://ttn.wloclawek.pl/czasopisma/StudiaWloclawskie/article/view/190 (Accessed: 17 May 2024).