de Pirovano: Droit canonique, théologie et philosophie à Bologne dans les années 1180,” in Medieval Church Law and the Origins of the Western Legal Tradition. A Tribute to Kenneth Pennington, ed. Wolfgang P. Müller and Mary E. Sommar, Washington, D. C.: Catholic University of America Press, 2006, 320-346. Wilfried Hartmann and Kenneth Pennington, The history of medieval canon law in the classical period, 1140-1234, Washington, D. C.: Catholic University of America Press, 2008. References External links 1210 deaths Canon law jurists Bishops of Ferrara 12th-century Italian Roman Catholic bishops 13th-century Italian Roman Catholic bishops Year of birth unknown 12th-century Italian jurists 12th-century Italian writers 12th-century Latin writers