Table of Contents

An Encyclopaedia of Occultism

From Abracadabra to the Zohar: the classic 1920 reference to every occult science, seance trick, demon, alchemist and secret society — 2,000+ entries, all here.

Rights & ReuseThe complete text of An Encyclopaedia of Occultism (1920) is in the public domain in the United States — like all works published before 1928 — and is free to read, download, quote, teach from, and reuse. This digital edition (its transcription, restored images, and site design) is © 2026 PhotoOpAI, and any editorial commentary we add is clearly marked as ours; the underlying public-domain text carries no such restriction.

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