General Editor:
JOHN H. ARNOLD
Professor of Medieval History, University of Cambridge, and Fellow of King’s College
Advisory Editors:
CHRISTOPHER BRIGGS
Associate Professor in Medieval British Social and Economic History, University of Cambridge, and Fellow of Selwyn College
HELEN GITTOS
Associate Professor in Early Medieval History, University of Oxford, and Fellow of Balliol College
ADAM J. KOSTO
Professor of History, Columbia University
MAGNUS RYAN
Associate Professor in History, University of Cambridge, and Fellow of Peterhouse
The series Cambridge Studies in Medieval Life and Thought was inaugurated by G.G. Coulton in 1921; Professor John H. Arnold now acts as General Editor of the Fourth Series, with Dr Christopher Briggs, Dr Helen Gittos, Professor Adam J. Kosto and Dr Magnus Ryan as Advisory Editors. The series brings together outstanding work by medieval scholars over a wide range of human endeavour extending from political economy to the history of ideas.
This is book 121 in the series, and a full list of titles in the series can be found at: www.cambridge.org/medievallifeandthought
Open access