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 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