RT Book T1 Materials for the study of the mosaics of St. Sophia at Istanbul T2 Dumbarton Oaks studies JF Dumbarton Oaks studies A1 Mango, Cyril A. 1928-2021 LA English PP Washington PB Dumbarton Oaks Research Library and Collection, Trustees for Harvard Univ. YR 1962 UL https://ixtheo.de/Record/1072047055 NO Bibliographical footnotes CN NA5870.A9 K1 Mosaics : Turkey : Istanbul K1 Ayasofya Müzesi