I am perfectly aware of all the difficulties that inevitably beset each researcher who attempts at examining a matter so complex and at the same time so frequently discussed by the literature of the subject as the one this paper is devoted to. The issue of our interest has been indeed revisited numerous times by a vast number of scholars, starting from J. Heyne through J. Jungnitz to K. Dola (who has recently published a history of the Church of Silesia)…