Efren, Santo Prose refutations of Mani, Marcion, and Bardaisan of which the greater part has been transcribed from the palimpsest B.M. ADD. 14. 623 and is now first published by C.W. Mitchel - London : Williams Norgate, 1912 - cxix-185p.; 22,5 cm. Texto en sirio La Biblioteca posee: v.1: To Hypatius Subjects--Topical Terms: Efrén Universal Decimal Class. No.: 276