Zwemer, Samuel M. The Cross Above the Crescent: The Valitity, Necessity and Urgency of Missions to Moslems. - Grand Rapids, Michigan: Zondervan Publishing House, 1941. - 292p. 20 cm. Subjects--Topical Terms: IslamologiMuhammad--TugasMisi--StrategiMenginjili Orang Islam LC Class. No.: BV2625 / .Z9 1941 Dewey Class. No.: 261.27