Thomas A. Carlson (ed.), "Mar Yoḥannan the Egyptian" in last modified April 25, 2014, http://syriaca.org/place/2502 Mar Yoḥannan the Egyptian Mār Yōḥannān the Egyptian Mar John the Egyptian Ḥlaḥlaḥ http://syriaca.org/place/2502 http://www.csc.org.il/db/browse.aspx?db=SB&sL=M&sK=Mar%20John%20the%20Egyptian&sT=keywords David Wilmshurst The Ecclesiastical Organisation of the Church of the East, 1318-1913 20, 69, 109, 110, 113, 114, 116, 349, 353, 354, 358 The Comprehensive Bibliography on Syriac Christianity Mar John the Egyptian Tigris Valley Gāzartā region