Professor Somerville deals here with the history of Latin Christianity at a crucial time - the century of the Gregorian reform movement and of the Investiture c

This volume comprises a multidisciplinary study of Pisa’s socio-economic, cultural, and political history, art history, and archaeology at the time of the cit

The sudden appearance of portolan charts, realistic nautical charts of the Mediterranean and Black Sea, at the end of the thirteenth century is one of the most