Byzantine Institute of America

Natalia B. Teteriatnikov. Mosaics of Hagia Sophia, Istanbul: The Fossati Restoration and the Work of the Byzantine Institute. — Washington, D.C.: Dumbarton

and the «Twenty Cities» of Byzantine Asia // American Journal of Archaeology[англ.]. — Boston: Archaeological Institute of America[англ.], 1977. — Vol. 81

p223(360):«Thus, every emperor who sat on the Byzantine throne the accession of Basil I to the death of Basil II (867—1025) was of Armenian or partially Armenian origin

Studies, 2012, Vol-6, Issue-3. Edward Luttwak, The Grand Strategy of the Byzantine Empire, Cambridge, CT: Harvard University Press, 2009. Charles Hill

Service of Baptism: A Historic, Theological and Liturgical Study, Thessalonica, 1983 [на греческом] (докторская диссертация). Principles of Byzantine Music