Tatian's most influential work is the Diatessaron, a Biblical paraphrase, or "harmony", of the four gospels that became the standard text of the four gospels in the Syriac-speaking churches until the 5th-century, after which it gave way to the four separate gospels in the Peshitta version.[9]
^Walters, James E. "Tatian of Adiabene - Syriaca". Syriac Biographical Dictionary. Vanderbilt University, Princeton University. Retrieved 30 August 2016.
^The Origins and Emergence of the Church in Edessa during the First Two Centuries A.D. Author(s): L. W. Barnard Source: Vigiliae Christianae, Vol. 22, No. 3 (Sep., 1968), pp. 161-175.
^Cross, F. L., ed. The Oxford Dictionary of the Christian Church. New York: Oxford University Press. 2005, articles 'Diatessaron' and 'Peshitta.'