Jörg Peltzer, Canon Law, Careers and Conquest. Episcopal Elections in Normandy and Greater Anjou, c 1140–c 1230, Cambridge (Cambridge University Press) 2008, 360 p., 8 fig., 11 plans (Cambridge Studies in Medieval Life and Thought. Fourth Series, 71), ISBN 978-0-521-88062-6, GBP 55,00.