Thomas A. Carlson (ed.), "Mar Isḥaq" in last modified January 14, 2014, http://syriaca.org/place/2465 Mar Isḥaq Mār Isaac http://syriaca.org/place/2465 David Wilmshurst The Ecclesiastical Organisation of the Church of the East, 1318-1913 155 Ḥarbaï ʿAqrā region This place shares a name with one or more distinct places.