Lapidus, Ira Marvin Muslim cities in the later Middle Ages / By Ira Marvin Lapidus. - Cambridge : Harvard University Press, 1967. - xiv, 307 p. maps. - Harvard Middle Eastern studies, 11 . Bibliography: p. 217-242. Subjects--Topical Terms: Islamic cities and towns.Middle Ages. Subjects--Geographic Terms: Islamic Empire--Social conditions.