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,
New Testament among Protestants when referring to those books found in the Christian Old Testament although not in the Jewish Bible, modern scholars began to refer to these works of early Christian literature not included in the New Testament as "apocryphal", by which was meant non-canonical. Collected editions of these works were then referred to as the "New Testament apocrypha". Typically excluded from such published collections are the following groups of works: The Apostolic Fathers, the 2nd-century Christian apologists, the Alexandrians, Tertullian, Methodius of Olympus, Novatian, Cyprian, martyrdoms, and the Desert Fathers. Almost all other Christian literature from the period, and sometimes