* The Emperor Romanus Lecapenus and His Reign - 1929* The First Bulgarian Empire -1930* Byzantine Civilization -1933* The Medieval Manichee : A Study of the Christian Dualist Heresy - 1947* A History of the Crusades: Volume 1, The First Crusade and the Foundation of the Kingdom of Jerusalem -1951* 1952- A History of the Crusades: Volume 2, The Kingdom of Jerusalem and the Frankish East *History of the Crusades: Volume 3, The Kingdom of Acre and the Later Crusades Cambridge* The Eastern Schism: A Study of the Papacy and the Eastern Churches in XIth and XIIth Centuries -1953* The Sicilian Vespers: A History of the Mediterranean World in the Later Thirteenth Century -1958* The White Rajahs -1960* The Fall of Constantinople 1453 -1965* The Great Church in Captivity -1968* The Last Byzantine Renaissance -1970* The Orthodox Churches and the Secular State -1972* Style and Civilization -1975* The Byzantine Theocracy -1977* Mistra -1980* Patriarch Jeremias II and the Patriarchate of Moscow -1985* A Traveller's Alphabet.Partial Memoirs -1991* Runciman, Steven, A history of the Crusades (3 parts).
==Works==*"The Emperor Romanus Lecapenus and His Reign " (1929)*"The First Bulgarian Empire" (1930)*"Byzantine Civilization" (1933)*"The Medieval Manichee: A Study of the Christian Dualist Heresy " (1947)*"A History of the Crusades: Volume 1, The First Crusade and the Foundation of the Kingdom of Jerusalem" (Cambridge University Press 1951)* "A History of the Crusades: Volume 2, The Kingdom of Jerusalem and the Frankish East" (Cambridge University Press 1952)*"A History of the Crusades: Volume 3, The Kingdom of Acre and the Later Crusades" (Cambridge University Press 1954)*"The Eastern Schism: A Study of the Papacy and the Eastern Churches during the XIth and XIIth Centuries " (1955)*"The Sicilian Vespers: A History of the Mediterranean World in the Later Thirteenth Century" (1958)*"The White Rajahs" (1960)*"The Fall of Constantinople 1453" (1965)*"The Great Church in Captivity" (1968)*"The Last Byzantine Renaissance" (1970)*"The Orthodox Churches and the Secular State" (1972)* Sir Steven Runciman.