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
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,