Harris, Jonathan. Byzantium and the Crusades / Jonathan Harris. - London ; New York : Hambledon and London, 2003. - xvii, 259 p., [8] p. of plates : ill., maps ; 25 cm. - Crusader worlds. . Includes bibliographical references (p. [227]-243) and index. ISBN: 1852852984 1852855010 Nat. Bib. No.: GBA2-V2293 Subjects--Topical Terms: Crusades. Subjects--Geographic Terms: Byzantine Empire--History--1081-1453. LC Class. No.: D157 / .H67 2003 Dewey Class. No.: 949.503