Pope Gregory IX (1227-1241): Power and Authority (Church, Faith and Culture in the Medieval West)

Popes and Church Reform in the 11th Century (Variorum Collected Studies)

Routledge

Pope Gregory X and the Crusades (Studies in the History of Medieval Religion)

Boydell Press

Authors of the Middle Ages, Volume IV, Nos 12–13: Historical and Religious Writers of the Latin West: 2,4

Routledge

Gregory the Great and his World

Cambridge University Press

Pope Celestine III (1191–1198): Diplomat and Pastor (Church, Faith and Culture in the Medieval West)

Routledge

Consul of God (Routledge Revivals): The Life and Times of Gregory the Great

Routledge

Pope Alexander III (1159–81): The Art of Survival (Church, Faith and Culture in the Medieval West)

Routledge

A Companion to Gregory of Tours: 63 (Brill's Companions to the Christian Tradition, 63)

Brill

Adrian IV The English Pope (1154–1159): Studies and Texts (Church, Faith and Culture in the Medieval West)

Routledge

Hagiography, Historiography, and Identity in Sixth-Century Gaul: Rethinking Gregory of Tours (Social Worlds of Late Antiquity and the Early Middle Ages)

Papacy, Crusade, and Christian-Muslim Relations (Church, Faith and Culture in the Medieval West)

Amsterdam University Press

The Disputatio of the Latins and the Greeks, 1234: Introduction, Translation, and Commentary (Translated Texts for Byzantinists): 12

Liverpool University Press

Gregory the Great: Ascetic, Pastor, and First Man of Rome

University of Notre Dame Press

The Avignon Popes and the Eastern Mediterranean: Power and Authority, 1305-62 (New Directions in Medieval Studies)

Bloomsbury Academic

England and the Papacy in the Early Middle Ages: Papal Privileges in European Perspective, c. 680-1073 (Oxford Historical Monographs)

The Reception of Papal Legates in England, 1170-1250

Boydell Press

The Fifth Crusade in Context: The Crusading Movement in the Early Thirteenth Century: 9 (Crusades - Subsidia)

Routledge

Re-Reading Gregory of Nazianzus: Essays on History, Theology, and Culture (Studies In Early Christianity)

Catholic University of America Press

The Chronicle of Hugh of Flavigny: Reform and the Investiture Contest in the Late Eleventh Century (Church, Faith and Culture in the Medieval West)

Routledge

Church and Belief in the Middle Ages: Popes, Saints, and Crusaders (Crossing Boundaries: Turku Medieval and Early Modern Studies)

Amsterdam University Press

Gregory of Tours: History and Society in the Sixth Century

Cambridge University Press

Pope Benedict XII (1334-1342): The Guardian of Orthodoxy (Church, Faith and Culture in the Medieval West)

Amsterdam University Press

Communicating Papal Authority in the Middle Ages (Studies in Medieval History and Culture)

Routledge

The Papacy, 1073-1198: Continuity and Innovation (Cambridge Medieval Textbooks)

Cambridge University Press