Synoptic Gospels texts of the three synoptic gospels often agree very closely in wording and order, both in quotations and in narration. Most scholars ascribe this to "documentary dependence", direct or indirect, meaning the close agreements among synoptic gospels are due to one gospel's drawing from the text of another, or from some written source that another gospel also drew from. The synoptic problem hinges on several interrelated points of controversy: Furthermore, some theories try to explain the relation of the synoptic gospels to John; to non-canonical gospels such as Thomas, Peter, and Egerton; to the Didache; and to lost documents such
Hebrew Gospel hypothesis (1915) in its article "Gospel of the Hebrews" noted that Nicholson cannot be said ...[to] have carried conviction to the minds of New Testament scholars." Rudolf Handmann (1888) proposed an Aramaic Gospel of the Hebrews but reasoned that this was not the Hebrew Matthew and there never was a Hebrew Ur-Matthew. James R. Edwards, in "The Hebrew Gospel and the development of the synoptic tradition" (2009), suggested that a lost Hebrew Ur-Matthew is the common source of both the Jewish-Christian Gospels and the unique L source material (material not sourced from Mark or Q) in the Gospel of Luke. A