Comparative Religion

The Idea of God in Early Religions

Modern Substitutes for Christianity

The Origin of Christian Science

Bahaism and Its Claims

Serpent-Worship, and Other Essays, with a Chapter on Totemism

Religion in the Heavens; Or, Mythology Unveiled in a Series of Lectures

Pagan and Christian Creeds: Their Origin and Meaning

Myths of China and Japan with illustrations in colour & monochrome after paintings and photographs

Cerberus, The Dog of Hades

De Tribus Impostoribus, A. D. 1230: The Three Impostors

The Influence of Buddhism on Primitive Christianity

Mexico and Its Religion

Mexico and Its Religion

The Religion of Babylonia and Assyria

Peter's Rock in Mohammed's Flood, from St. Gregory the Great to St. Leo III

Mohammedanism

Mahometanism in its Relation to Prophecy

Pagan Origin of Partialist Doctrines

Morality as a Religion

The Book of Religions