'This is a masterly treatment comprehensively setting out all the problems and issues relating to this famous second century harmony, and is to be warmly recommended.'J.K. Elliott, The Expository Times, 1995.'The book is richly furnished with meticulous footnotes and a bibliography of over 700 titles.'J.K. Elliott, Novum Testamentum, 1995.'...un très beau volume...magnifique ouvrage…'Jean-Daniel Dubois Archives des Sciences Sociales des Religions, 1995.'This careful and demanding work is highly recommended for research libraries.'Gary A. Anderson Religious Studies Review, 1996.'It is beautifully produced and will be an indispensible reference for students in this field.'E. Earle Ellis, Southwestern Journal of Theology, 1996.'Both the author and the publisher are to be congratulated on the production of a significant volume, for which many will be grateful.'Bruce M. Metzger, Journal of Biblical Literature, 1996.'...a magnificent book that ought to be on the shelves of every library.'T. Baarda, Biblica, 1996.'Ohne sein Buch ist fortan keine Weiterarbeit am Diatessaron zu denken.'Walter Beltz, Zeitschrift für Religions- und Geistesgeschichte, 1998.