Development of the New Testament canon day called that of the sun" (Sunday) alongside the "writings of the prophets." A defined set of four gospels (the "Tetramorph") was asserted by Irenaeus, "c". 180, who refers to it directly. By the early 3rd century, Origen may have been using the same twenty-seven books as in the present New Testament canon, though there were still disputes over the acceptance of the Letter to the Hebrews, James, II Peter, II John, III John, Jude and Revelation, known as the Antilegomena. Likewise, the Muratorian fragment is evidence that, perhaps as early as 200, there existed a set of Christian writings
Aramaic New Testament The Persian Harmony, The Arabic Diatessaron, and the Commentary on the Diatessaron by Ephrem the Syrian have provided recent insights into Aramaic origins. The Coptic Gospel of Thomas and the various versions of the medieval Hebrew Gospel of Matthew also have provided clues to Aramaic foundations in the New Testament especially the gospels. Many 19th Century scholars (H. Holtzmann, Wendt, Jülicher, Wernle, von Soden, Wellhausen, Harnack, B. Weiss, Nicolardot, W. Allen, Montefiore, Plummer, and Stanton) theorized that portions of the gospels, especially Matthew, were derived from an Aramaic source normally referred to as Q. The best evidence for at least