Thirtie fovre special and chosen sermons of Dr. Martin Luthers : discovering most clearly, excellently, and evidently to every ordinary capacity or understanding the difference betwixt faith and workes, law and Gospel, the Christian and creature opperations, troubles and consolations, and the best way to make Christians, keep them so, and in case of relapses to recover them again by Christ, the onely cure of all soule maladies /