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 message; creeds, where groups define the boundaries of interpretation of the message; and canons, which list the primary documents certain groups believe contain the message originally taught by Jesus. There was substantial debate about which books should be included in the canons. In general, those books that the majority regarded as the earliest books about Jesus were the ones included. Books that were not accepted into the canons are now termed "apocryphal". Some of them were vigorously suppressed and survive only as fragments. The earliest lists of canonical works of the New Testament were not quite the same as