Liber Demonstrationis

Eutychius, patriarcha Alexandrinus, Liber Demonstrationis, in: The Book of the Demonstration (kitâb al-burhâm), Part II: Corpus Scriptorum Christianorum Orientalium 209 (Script. Arabici 22), edited by Cachia, P., Louvain, 1961.
‎♦ Patriarch of Alexandria 933–940; Demonstration of the truth of Christianity against heretics and Jews, in Arabic.