Duns Oxford London Deventer Canterbury Cologne Aachen Soissons Louvain Paris Sens Poitiers Munich Basel Lyons Avignon Constance Padua Milan Ravenna Florence Rome Fossanuova Cordoba Naples C o C nst an lc ti ed no on pl e Bec Ephesus Hippo Carthage Marrakesh 0 500 miles 400 Alexandria 800 km The world of medieval philosophy Edessa Jerusalem