Krumm, John M. Modern Heresies: A Guide to Straight Thinking about Religion. - Greenwich, Connecticut: Seabury Press, Incorporated. 1961. - x, 181p. 21 cm. Subjects--Topical Terms: Bidat--bidat Modern--KeagamaanBidat--Kekristenan--Religius LC Class. No.: BT1315.2 / .K7 1961