History

The Age of Bede: Revised Edition

Ecclesiastical History of the English People:

Early Christian Writings: The Apostolic Fathers

The Early Church: The Story of Emergent Christianity, Revised Edition

The Church in an Age of Revolution:

The Reformation:

Western Society and the Church in the Middle Ages:

The Christian Church in the Cold War:

Brand Luther: How an Unheralded Monk Turned His Small Town into a Center of Publishing, Made Himself the Most Famous Man in Europe--and Started the Protestant Reformation

Christianity: The First Three Thousand Years