@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}
}
@article {Mango1954,
	title = {A Russian Graffito in St. Sophia, Constantinople},
	journal = {Slavic Word},
	volume = {10},
	year = {1954},
	pages = {436 {\textendash} 438},
	author = {Mango, Cyril}
}
