History

Rider

Ulfilas Apostle of the Goths

A Momentary Glory

Words of Our Mouth, Meditations of Our Heart

Poems, 1957–1967

St. Paul and Protestantism, with an Essay on Puritanism and the Church of England

The Beginnings of Christianity

1,500 Years of Theology and Literature on Earth

Lives of the Saints

An American Religious Movement: A Brief History of the Disciples of Christ

The Early Years of Christianity: The Apostolic Era

The Creeds of Christendom: Volume 1 The History of Creeds

The Counter-Reformation in Scotland

Great Britain and the Holy See 1792–1806

Stories of the Saints

Signs & Wonders

Disputation on the Power of Indulgences

History and Silence

Breaking with the Past; Or, Catholic Principles Abandoned at the Reformation

Pocket Dictionary of the Reformed Tradition