Anthony David of Baghdad, Scribe and monk of Mar Sabas: arabic in the monasteries of Palestine
Griffith, S. H., "Anthony David of Baghdad, Scribe and monk of Mar Sabas: arabic in the monasteries of Palestine", Church History 58, no. 1 (1989): 7-19.
http://www.jstor.org/stable/3167675
http://www.jstor.org/stable/3167675