ISBN 9780520018501 books & textbook
Christian political theory and church politics in the mid-twelfth century;: The ecclesiology of Gratian's Decretum (Publications of the Center for Medieval and Renaissance Studies, U.C.L.A., 5)
University of California Press /1972T Hardcover / 300 Pages
isbn-10: 0520018508 / isbn-13: 9780520018501
