Shamanism

The Andean Codex

The Psychology of Hashish

Afterlife Knowledge Guidebook

The God-Idea of the Ancients; Or, Sex in Religion

The Other Side

Nagualism

Preaching and Paganism

Nights with the Gods

Pagan and Christian Creeds: Their Origin and Meaning

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

Celtic Goddesses and Their Spells

Legends of Ma-ui—a demi god of Polynesia, and of his mother Hina

The Roman Festivals of the Period of the Republic

Prose Edda

Pagan Origin of Partialist Doctrines

Legends of the Gods

The Religion of Ancient Palestine in the Second Millenium B.C