New Testament the Anchor Bible Dictionary), may be the earliest known New Testament canon attributed to mainstream Christianity. It is similar, but not identical, to the modern New Testament canon. The oldest clear endorsement of Matthew, Mark, Luke, and John being the only legitimate gospels was written "circa" 180 AD. A four gospel canon (the "Tetramorph") was asserted by Irenaeus, who refers to it directly in his polemic "Against the Heresies", "It is not possible that the gospels can be either more or fewer in number than they are. For, since there are four zones of the world in which we live,
Jerusalem School of Synoptic Research Bivin and Roy B. Blizzard Jr. which was reviewed by Michael L. Brown. The book itself is not published by the Jerusalem School, and only one of the co-authors is of the Jerusalem School. Yet, Brown not only questioned the work of individual school member David Bivin and co-author Roy Blizzard Jr., but by association also the Jerusalem School of Synoptic Research as a whole. Yet, even in his criticism of reconstructing a Hebrew Gospel (of which many Jerusalem School members are skeptical of as well), he affirms three significant points, which dovetail with the methodology—the three assumptions—of the Jerusalem