DUMBARTON OAKS: HAGIA SOPHIA: THE HISTORY OF THE BUILDING AND THE BUILDING IN HISTORY

  Possibly Pierre Iskender, Study of Light, Hagia Sophia, Istanbul, Turkey. 1948. The Byzantine Institute and Dumbarton Oaks Fieldwork Records and Papers, circa late 1920s–2000s, HS.BIA.1734, Image Collections and Fieldwork Archives, Dumbarton Oaks.