KUMOR, Bolesław. Review: The Archives of Silesian Church History. On behalf of the Institute for East German Church and Cultural History ed. Joachim Köhler. Vol. 45. Jan Thorbecke Verlag Sigmaringen 1987. Our Past, [S. l.], v. 71, p. 295–298, 1989. DOI: 10.52204/np.1989.71.295-298. Disponível em: https://ojs.academicon.pl/np/article/view/6978. Acesso em: 8 nov. 2026.