Cybulska-Bohuszewicz, E. “HE WAS VERY HARSH WITH HERETICS […] SO THAT THEY CALLED HIM A HAMMER AGAINST HERETICS”: SAINTS AS THE PROPONENTS OF FIGHT AGAINST HETERODOXY AND THE GUARDIANS OF THE UNITY OF THE CHURCH (BASED ON ŻYWOTY ŚWIĘTYCH BY PIOTR SKARGA). PP 2021, 76, 155-171.