Turnbull, Ralph G. The preacher's heritage, task, and resources, by Ralph G. Turnbull. - Grand Rapids, Baker Book House [1968] - 178 p. 20 cm. Bibliography: p. 169-178. Source: $2.95 LCCN: 68019215 Subjects--Topical Terms: Preaching. LC Class. No.: BV 4211.2 .T87