A treatise of schisme : Shewing, that al Catholikes ought in any wise to abstaine altogether from heretical conuenticles, to witt, their prayers, sermons. &c, deuided into foure chapters, whereof 1. Conteineth sundry reasons to that purpose, grounded for the most part vppon scriptures and fathers. 2.Examples out of holy scriptures. 3. Examples out of ecclesiastical histories. 4. Answeres to the chiefe obiections. By Gregorie Martin Licentiate in Diuinitie.