Books about Christianity and other religions

The Conflict of Religions in the Early Roman Empire

The Everlasting Man

Forerunners and rivals of Christianity : being studies in religious history from 330 B.C. to 330 A.D., Vol. 1 (of 2)

Paganism Surviving in Christianity

Ten Great Religions: An Essay in Comparative Theology

New Ideas in India During the Nineteenth Century

Forerunners and rivals of Christianity : being studies in religious history from 330 B.C. to 330 A.D., Vol. 2 (of 2)

Pagan and Christian Creeds: Their Origin and Meaning

The Christian Mythology

Christianity as Mystical Fact, and the Mysteries of Antiquity

Oriental Religions and Christianity