Aram I Keshishian, Catholicos. The Christian witness at the crossroads in the Middle East / Bishop Aram Keshishian. - Beirut, Lebanon : S. a., 1981. - 74 p. - 281 (09) (NLA) . Subjects--Topical Terms: Christianity--Early church, ca. 30-600. Universal Decimal Class. No.: 281 (09) (NLA)