Faith absolutely necessary, but not sufficient to salvation without good works. In two sermons, preached at Christ-Church in Philadelphia, April 20, 1740. / By Archibald Cummings, M.A. commisary [sic] to the Bishop of London, &c. ; Published in their own vindication, from the false and rash reflections of the famous Mr. Whitefield. ; [Four lines in Latin from St. Cyprian]