Herder thought that Mark most exactly reproduced Urev Or. Matthew reproduced it with expansions, and Luke, aware of these expansions, “wished to create ‘an actual historical account’ after a wholly Hellenistic pattern.” Herder also hypothesized that “[s]ome forty years later John . . . wrote an ’echo of the earlier Gospels at a higher pitch’ which undertook to set forth Jesus as the Savior of the world. . . .” ...
The Greek font that the Society of Biblical Literature has developed is complete and available for download.
In the third book of his work, Against Heresies, Irenaeus takes up a defense of the fourfold Gospel tradition.
Alan Knox has made my summary of E. D. Hirsch’s Validity in Interpretation available on his website, ̔Ελληνιστί, in HTML format. A PDF version of this summary is also available here. Update (19 June 2017): The above-noted link to Alan Knox’s website is currently broken. Please see the summary at the PDF link mentioned above. ...