Giftopoulou, Sofia (2005). "Diocese of Oriens (Byzantium)". Encyclopaedia of the Hellenic World, Asia Minor. Foundation of the Hellenic World. Archived from the original on 10 June 2015. Retrieved 14 November 2013.
uchicago.edu
penelope.uchicago.edu
Bury, John Bagnell (1923). History of the Later Roman Empire: From the Death of Theodosius I to the Death of Justinian, Vol. II. London: MacMillan & Co. p. 339. ISBN0-486-20399-9.
web.archive.org
Giftopoulou, Sofia (2005). "Diocese of Oriens (Byzantium)". Encyclopaedia of the Hellenic World, Asia Minor. Foundation of the Hellenic World. Archived from the original on 10 June 2015. Retrieved 14 November 2013.