Books by Robert Brentano

Two Churches: England and Italy in the Thirteenth Century, With an additional essay by the Author.
Robert Brentano

Rome before Avignon: A Social History of Thirteenth-Century Rome
Robert Brentano

EARLY MIDDLE AGES, 500-1000 (Sources in Western Civilization)
Robert Brentano

Bishops, Saints, and Historians: Studies in the Ecclesiastical History of Medieval Britain and Italy
Robert Brentano