Augustus to Constantine: The Rise and Triumph of Christianity in the Roman World

The Christians as the Romans Saw Them

The First Seven Ecumenical Councils (325-787): Their History and Theology (Theology and Life Series 21)

The Spirit of Early Christian Thought: Seeking the Face of God

A History of the Christian Church

A History of Christian Thought, Vol. 1: From the Beginnings to the Council of Chalcedon

Pagans: The End of Traditional Religion and the Rise of Christianity

A Brief History of Christian Worship

Fundamentals of New Testament Textual Criticism

The Apostolic Fathers: Greek Texts and English Translations

The Rise of Christianity: How the Obscure, Marginal Jesus Movement Became the Dominant Religious Force in the Western World in a Few Centuries