E. A. Wallis Budge (ed.), The Book of Governors: The Historia Monastica of Thomas, Bishop of Margâ, A.D. 840 (London, 1893), Vol. 1, pp. cxxv–cxxxi.
bethmardutho.org
gedsh.bethmardutho.org
Edward G. Mathews, Jr., "Awgen, Mar", in Sebastian P. Brock, Aaron M. Butts, George A. Kiraz and Lucas Van Rompay (eds.), Gorgias Encyclopedic Dictionary of the Syriac Heritage: Electronic Edition (Gorgias Press, 2011; online ed. Beth Mardutho, 2018).
books.google.com
Christine Chaillot, "The Ancient Oriental Churches", in Geoffrey Wainwright and Karen B. Westerfield Tucker (eds.), The Oxford History of Christian Worship (Oxford University Press, 2006), p. 165.
