Pope Leo X, Bulla "Apostolici Regiminis" (Rome, 1514); original printing housed in custom folding case sleeve, this Papal Bull is stamped as being formerly part of a university library. The edict pertains to the immortality and individuality of the soul, meaning that the sould could not actually die or was not to be considered mortal. Also, the soul was not to be considered a universally "shared" soul but each person possessing their own individual and immortal soul.