Setton K. M. Catalan Domination of Athens, 1311–1388. Cambridge, Mass., 1948.
Setton K. M.
_____. The Byzantine Background to the Italian Renaissance. Proceedings of the American Philosophical Society, Vol. 100, no. 1 (February 1956).
Setton K. M. (Editor-in-chief). A History of the Crusades. 2 vols. University of Wisconsin Press, Madison, Milwaukee and London, 1969.
Setton K. M.
Skoulatos B. Les Personages Byzantins de l’Alexiade. Louvain, 1980.
Skoulatos B.
Smith J. H. Constantine the Great. London, 1971.
Smith J. H.
Smith W. and Wace H. Dictionary of Christian Biography. 4 vols. London, 1877–1887.
Smith W.
Wace H.
Stein E. Histoire du Bas-Empire, II: de la Disparition de l’Empire de l’Occident à la Mort de Justinien (476–565). Paris and Brussels, 1949.
Stein E.
Sumner-Boyd H. and Freely J. Strolling through Istanbul. Istanbul, 1972.
Sumner-Boyd H.
Freely J.
Swift E. A. Hagia Sophia. New York, 1940.
Swift E.
Sykes Sir Percy. A History of Persia. 2 vols. 3rd edn. London, 1930.