Thomas A. Carlson (ed.), "Erevan" in last modified January 14, 2014, http://syriaca.org/place/817 Erevan 40.185208 44.51676 http://syriaca.org/place/817 http://pleiades.stoa.org/places/863922 http://en.wikipedia.org/wiki/Yerevan http://dbpedia.org/resource/Yerevan David Wilmshurst The Ecclesiastical Organisation of the Church of the East, 1318-1913 283, 366 http://pleiades.stoa.org/places/863922