Thomas A. Carlson (ed.), "Haltūn" in last modified January 14, 2014, http://syriaca.org/place/1264 Haltūn http://syriaca.org/place/1264 David Wilmshurst The Ecclesiastical Organisation of the Church of the East, 1318-1913 107, 111 Gwerkel district Gāzartā region