A preseruatiue, to keepe a Protestant from becomming a Papist. Herein these two sayings following are expounded. Thou art Peter, and vpon this rocke (or stone) I will build my church; Mat.16.18. But I haue prayed for thee that thy faith faile not; Luk.22.32. Herevnto is adioyned an admonition to English Papists, that deny the Popes supremacy in part or in whole. By T.B. - T. B., (Printed by Iohn Lichfield printer to the famous Vniversity for William Webb,, 1629)