Occult
- A Dictionary of Symbols by J.E. Cirlot | Philosophical Library [1971]
- A New Encyclopedia of Freemasonry Combined Edition by Arthur Edward Waite, P.M., P.Z. [1970]
- Alchemy Reference Guide: A Tool for Exploring the Secret Art by Dennis William Hauck [2011]
- Ancient Pagan Symbols by Elisabeth Goldsmith | The Knickerbocker Press [1929]
- Chinese Alchemy: The Taoist Quest for Immortality by J.C. Cooper [1990]
- Control of Body and Mind by Frances Gulick Jewett | Ginn and Company [1908]
- Cultivation of Personal Magnetism in Seven Progressive Steps by Edmund Shaftesbury [1926]
- Descriptive Sketches of the Spiritual World by Rudolf Steiner | Rudolf Steiner Publishing Co [1928]
- Dictionary of Demons by Fred Gettings [1988]
- Higher Consciousness: The Evolutionary Thrust of Kundalini by Gopi Krishna [1974]
- Monas Hieroglyphica by John Dee | Published by Ouroboros Press [2021]
- Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry by Albert Pike [1949]
- Notes on The Bhagavad-Gita by William Q. Judge and Robert Crosbie | The Theosophy Company [1929]
- Paracelsus: Magic into Science by Henry M. Pachter [1951]
- Pocket Guide to Ayurvedic Healing by Candis Cantin Packard [1996]
- Prayer by Rudolf Steiner | Rudolf Steiner Publishing Co [1939]
- Ritual of the Order of the Eastern Star Published by General Grand Chapter Order of the Eastern Star [1976]
- Schopenhauer Selections Edited by Dewitt H. Parker [1928]
- Tao Te Ching by Lao-Tzu | Translated by D.C. Lau [1994]
- The Book of Runes by Ralph Blum [1987]
- The Book of Secrets of Albertus Magnus by Michael R. Best and Frank H. Brightman | Oxford University Press [1974]
- The Book of The Dead Translated by E.A. Wallis Budge [1979]
- The Complete Encyclopedia of Signs & Symbols: Identification and analysis of the visual vocabulary that formulates our thoughts and dictates our reactions to the world around us by Mark O’Connel and Raje Airey [2012]
- The I Ching by Richard Wilhelm and Cary F. Baynes [1973]
- The Kybalion by The Three Initiates (Centenary Edition) | A Tarcher Perigee Book [2018]
- The Message of Aquaria by F. Homer Curtiss, B.S, M.D. and Harriette Augusta Curtiss | Curtiss Philosophic Book Co. [1938]
- The Mysteries by Goethe – By Rudolf Steiner | Rudolf Steiner Publishing Co [1946]
- The Pattern Life by F. Homer Curtiss, M.D. | Curtiss Philosophic Book Co. [1943]
- The Philosophy of War by Dr. and Mrs. F. Homer Curtiss | Curtiss Philosophic Book Co. [1939]
- The Prophesies of Nostradamus by Avenel Books [1988]
- The Rosicrucian Cosmo-Conception by Max Heindel [1956]
- The Rosicrucians Their Rites and Mysteries by Hargrave Jennings [1907]
- The Secret Language of Symbols by David Fontana [1994]
- The Spherical Basis of Astrology being a Comprehensive Table of Houses for Latitudes 22 to 60 by Joseph G. Dalton [1911]
- The Study of The Kabalah by William Wynn Westcott | Allied Publications [Unknown]
- The Turba Philosophorum Translated by Arthur Edward Waite | Printed by Samuel Weiser [1973]
- The Yellow Emperor’s Classic of Internal Medicine Translated by Ilza Veith| The Classics of Medicine Library | Gryphon Edition [1988]
- Through Alchemy to Chemistry by John Read, F.R.S. [1961]
- Treatise on The Great Art by Dom Antoine-Joseph Pernety | Printed by Samuel Weiser [1973]
- Twelve World Teachers by Manly P. Hall [1965]
- Wisdom of the Ancients by T. Lobsang Rampa [1977]