The Conflict of Religions in the Early Roman Empire

A Key to the Knowledge of Church History (Ancient)

A visit to the Roman catacombs

After Life in Roman Paganism

Atheism in Pagan Antiquity

Christianity and Greek Philosophy or, the relation between spontaneous and reflective thought in Greece and the positive teaching of Christ and His Apostles

Christianity as Mystical Fact, and the Mysteries of Antiquity

Church and State as Seen in the Formation of Christendom

Constantine the Great: The reorganization of the Empire and the triumph of the Church

Curiosities of Christian History Prior to the Reformation

Dissertatiunculae Quaedam Critico-Theologicae

English Conferences of Ernest Renan: Rome and Christianity. Marcus Aurelius