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
Historical reliability of the Gospels Westcott-Hort, von Soden, Vogels, Merk, Bover and Nestle-Aland), concluding that 62.9%, or 4999/7947, are in agreement. They concluded, "Thus in nearly two-thirds of the New Testament text, the seven editions of the Greek New Testament which we have reviewed are in complete accord, with no differences other than in orthographical details (e.g., the spelling of names). Verses in which any one of the seven editions differs by a single word are not counted. ... In the Gospels, Acts, and Revelation the agreement is less, while in the letters it is much greater" Per Aland and Aland, the total consistency achieved