Adam, Karl
  • The Christ of Faith: The Christology of the Church
    • Apostolic Fathers
  • Early Christian Writings
    • Bainton, Roland H.
  • Early Christianity
    • Baldwin, Marshall W.
  • Christianity Through the Thirteenth Century
    • Brooke, Rosalind & Christopher
  • Popular Religion in the Middle Ages: Western Europe 1000-1300
    • Corbett, James A.
  • The Papacy: A Brief History
    • Davidson, H. R. Ellis
  • Gods and Myths of Northern Europe
    • Davies, J. G.
  • The Early Christian Church
    • Eller, Meredith F.
  • The Beginnings of the Christian Religion: A Guide to the History and Literature of Judaism and Christianity
    • Frend, W. H. C.
  • Martyrdom and Persecution in the Early Church: A Study of a Conflict from the Maccabees to Donatus
    • Katz, Jacob
  • Exclusiveness and Tolerance: Studies in Jewish-Gentile Relations in Medieval and Modern Times
    • Knowles, David
  • Christian Monasticism
    • Ladner, Gerhart B.
  • The Idea of Reform: Its Impact on Christian Thought and Action in the Age of the Fathers
    • Lietzmann, Hans
  • A History of the Early Church: III: From Constantine to Julian; IV: The Era of the Church Fathers
    • Meyendorff, John
  • Byzantine Theology: Historical Trends and Doctrinal Themes
    • Mollatt, G.
  • The Popes at Avignon: The "Babylonian Captivity" of the Medieval Church
    • Morrisson, Karl F.
  • Tradition and Authority in the Western Church 300-1140
    • Pegis, Jessie Corrigan
  • A Practical Catholic Dictionary
    • Peters, Edward
  • Monks, Bishops, and Pagans
    • Sime, William
  • History of the Inquisition
    • Smalley, Beryl
  • The Study of the Bible in the Middle Ages
    • Tierney, Brian
  • The Crisis of Church and State 1050-1300
    • Warner, Marina
  • Alone of All Her Sex: The Myth and the Cult of the Virgin Mary