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 The rarity of information about the childhood of Jesus in the canonical gospels led to a hunger of early Christians for more detail about the early life of Jesus. This was supplied by a number of 2nd century and later texts, known as infancy gospels, none of which were accepted into the biblical canon, but the very number of their surviving manuscripts attests to their continued popularity. Most of these were based on the earliest infancy gospels, namely the Infancy Gospel of James (also called the "Protoevangelium of James") and Infancy Gospel of Thomas, and on their later combination into