Benson, Clarence H. 1879-, The Sunday school in action /by Clarence H. Benson. - Chicago : Bible Institute Colportage Association, (c)1941. - 327 pages : illustrations, plans, diagrs., forms ; 20 cm. LCCN: 41024217 Subjects--Topical Terms: Sunday schools. LC Class. No.: BV1520 / .S863 1941 BV1520