Cassels, Louis. What's the difference? A comparison of the faiths men live by. - [1st ed.] - Garden City, N.Y., Doubleday, 1965. - xi, 221 p. 22 cm. LCCN: 65017248 Subjects--Topical Terms: Creeds--Comparative studies.Religions. LC Class. No.: BL425 / .C3 Dewey Class. No.: 291