== External links ==

* [http://www.ec-patr.gr Official website of the Patriarchate of Constantinople]

* [http://www.cnewa.org/ecc-bodypg.aspx?eccpageID=13&IndexView=toc Eastern Christian Churches: Patriarchate of Constantinople] by Ronald Roberson, a Roman Catholic priest and scholar

*[http://www.goarch.org/en/ourfaith/articles/article8148.asp The Origins and Authority of the Ecumenical Patriarchate of the Orthodox Church], by Demetrios J. Constantelos