Development of the New Testament canon a heretic and in the early 4th century Bishop Theodoretus of Cyrrhus and Bishop Rabbula of Edessa (both in Syria) rooted out all copies they could find of the Diatessaron and replaced them with the four canonical Gospels (M 215). As a result, no early copies of the Diatessaron survive—although a very early fragment suggests it would have been crucial evidence for the true state of the early Gospels (see IX). By the 5th century, the Syriac Bible, called the Peshitta, was formalized, accepting Philemon, along with James, 1 Peter and 1 John, but excluding 2 John, 3 John, 2
New Testament apocrypha these gospels survives today, but attempts have been made to reconstruct them from references in the Church Fathers. The reconstructed texts of the gospels are usually categorized under New Testament Apocrypha. The standard edition of Schneemelcher describes the texts of three Jewish–Christian gospels as follows: Some scholars consider that the 2 last named are in fact the same source. One or two texts take the form of brief "logia"—sayings and parables of Jesus—which are not embedded in a connected narrative: Some scholars regard the Gospel of Thomas as part of the tradition from which the canonical gospels eventually emerged; however,