RT Book T1 The Diatessaron and Ephrem Syrus as sources of Romanos the Melodist T2 Corpus scriptorum Christianorum orientalium / Subsidia JF Corpus scriptorum Christianorum orientalium / Subsidia A1 Petersen, William L. LA English PP Lovanii PB Peeters YR 1985 UL https://ixtheo.de/Record/013150162 CN BR60.C5 K1 Romanus : Melodus, Saint : active 6th century : Sources K1 Ephraem : Syrus, Saint : 303-373 K1 Jesus Christ : In literature K1 Bible : Gospels : Syriac : Versions : Diatessaron K1 Christian poetry, Byzantine : History and criticism K1 Hymns, Greek : History and criticism K1 Hochschulschrift