A disputacio[n] of purgatorye made by Ioh[a]n Frith which is deuided in to thre bokes. The first boke is an answere vnto Rastell, which goeth aboute to proue purgatorye by naturall phylosophye. The seconde boke answereth vnto Sir Thomas More, which laboureth to proue purgatorye by scripture. The thirde boke maketh answere vnto my lorde of Rochestre which most leaneth vnto the doctoures