Preface / Nora Berend
Introduction: Seven types of ambiguity, c. 1100-c. 1500 / David Abulafia
Crossing the frontier of ninth-century Hispania / Ann Christys
Emperors and expansionism: from Rome to Middle Byzantium / Jonathan Shepard
Byzantium's eastern frontier in the tenth and eleventh centuries / Catherine Holmes
Were there borders and borderlines in the Middle Ages? The example of the Latin kingdom of Jerusalem / Ronnie Ellenblum
Government and the Indigenous in the Latin kingdom of Jerusalem / Jonathan Riley-Smith
Latins and Greeks on crusader Cyprus / Peter W. Edbury
Genuensis civitas in extremo Europae: Caffa from the fourteenth to the fifteenth century / Michel Balard
Granting power to enemy gods in the chronicles of the Baltic crusades / Rasa Mažeika
The blue Baltic border of Denmark in the High Middle Ages: Danes, Wends and Saxo Grammaticus / Kurt Villads Jensen
Hungary, 'the Gate of Christendom' / Nora Berend
Boundaries and men in Poland from the twelfth to the sixteenth century: the case of Masovia / Grzegorz Myśliwski
The frontiers of church reform in the British Isles, 1170-1230 / Brendan Smith
Neolithic meets Medieval: first encounters in the Canary Islands / David Abulafia.