@book {Mango1962, title = {Materials for the Study of the Mosaics of St. Sophia in Istanbul. Washington, D.C.: Dumbarton Oaks.}, series = {Dumbarton Oaks studies}, number = {8}, year = {1962}, pages = {XVII, 145, 104 ill}, publisher = {Dumbarton Oaks Research Library and Collection}, organization = {Dumbarton Oaks Research Library and Collection}, address = {Washington D.C.}, author = {Mango, Cyril} }