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,
Synoptic Gospels of 1955. New attention is also being given to the Wilke hypothesis of 1838 which, like Farrer, dispenses with Q but ascribes the double tradition to Matthew's direct use of Luke. Meanwhile, the Augustinian hypothesis has also made a comeback, especially in American scholarship. The Jerusalem school hypothesis has also attracted fresh advocates, as has the Independence hypothesis, which denies documentary relationships altogether. On this collapse of consensus, Wenham observed: "I found myself in the Synoptic Problem Seminar of the Society for New Testament Studies, whose members were in disagreement over every aspect of the subject. When this international group