Liber Demonstrationis

Eutychius, patriarcha Alexandrinus, Liber Demonstrationis, in: The Book of the Demonstration (kitâb al-burhâm‎), Part I: Corpus Scriptorum Christianorum Orientalium 192 (Script. Arabici 20), edited by Cachia, P., Louvain, 1960.
‎♦ Patriarch of Alexandria 933–940; Demonstration of the truth of Christianity against heretics and Jews, in Arabic.