ISBN 9781247070032 books & textbook
Life of Gregory the Seventh: preceded by a sketch of the history of the papacy to the eleventh century Volume 1
Baber, Brockley James Villemain, M. (Abel-François) 1790-1
Nabu Press /2011-09-29 Paperback / 416 Pages
isbn-10: 1247070034 / isbn-13: 9781247070032