ŻYWCZYŃSKI, Mieczysław. From the last years of Fr.’s life Piotr Ściegienny (1871-1890). Our Past, [S. l.], v. 4, p. 243–250, 1948. DOI: 10.52204/np.1948.4.243-250. Disponível em: https://ojs.academicon.pl/np/article/view/7170. Acesso em: 22 jul. 2024.