Cambridge: Harvard University Press, 1957. First edition. Hardcover. Fine / Near Fine. Quarto volume bound in blue cloth, lettered in gilt at the spine. In the complete and quite nice dust jacket which has darkened a bit at the spine. Edited by The Committee on Publications The Dumbarton Oaks Research Library and Collection Trustees for Harvard University Washington, District of Columbia. Contains four essays: Harry A. Wolfson - Philosophical Implications of the Theology of Cyril of Jersualem; Dimitri Obolensky - Byzantium, Kiev and Moscow: A Study in Ecclesiastical Relations; Ihor Sevcenko - Nicolas Cabasilas' "Anti-Zealot" Discourse: A Reinterpretation; Paul A. Underwood - Second Preliminary Report on the Restoration of the Frescoes in the Kariye Camii at Istanbul by the Byzantine Institute, 1955. Then follows a "Notes" section: George H. Forsyth - Architectural Notes on a Trip through Cilicia; Andrew Alfoldi and Erica Cruikshank - A Sassanian Silver Phalera in Dumbarton Oaks; Marvin C. Ross - A Byzantine Gold Medallion at Dumbarton Oaks; Speros Vryonis Jr. - The Will of a Provincial Magnate, Eustathius Boilas (1059).