Development of the New Testament canon a novelty in Irenaeus's time. "Against Heresies" 3.11.7 acknowledges that many heterodox Christians use only one gospel while 3.11.9 acknowledges that some use more than four. The success of Tatian's Diatessaron in about the same time period is "...a powerful indication that the fourfold Gospel contemporaneously sponsored by Irenaeus was not broadly, let alone universally, recognized." Irenaeus apparently quotes from 21 of the New Testament books and names the author he thought wrote the text. He mentions the four gospels, Acts, the Pauline epistles with the exception of Hebrews and Philemon, as well as the first epistle of Peter, and
Oxyrhynchus Gospels Jesus (e.g., the "Secret Book of James" and the "Gospel of Mary"), but with sayings gospels involving the earthly Jesus (e.g., Q document and the "Gospel of Thomas"). Crossan suggests that the document might have been written as early as the mid-first century. Oxyrhynchus Gospels The Oxyrhynchus Gospels are two fragmentary manuscripts discovered among the rich finds of discarded papyri at Oxyrhynchus in Egypt. Unknown to most laymen, they throw light on early non-canonical Gospel traditions. Oxyrhynchus 840 (P. Oxy. V 840), found in 1905, is a single small vellum parchment leaf with 45 lines of text written on both