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- The Thorn Tree: A History of Thorn Worship of the Twelve Tribes of Israel
- At One With the Invisible: Studies in Mysticism
- Social Law in the Spiritual World: Studies in Human and Divine Inter-relationship
- Religion as Experience
- Religion as Personal Experience
- Where Theosophy and Science Meet: A Stimulus to Modern Thought
- Scientific Mysticism: Seven Lectures on Mysticism, the Laws of Nature Operating in Creative and Redemptive Evolution
- Science Without Bounds: A Synthesis Of Science, Religion And Mysticism
- Mysticism and Logic
- Scientific Theology
- A Metaphysique of Mysticism
- Nature Mysticism
- The Religion of Philosophy: The Unification of Knowledge
- Religious Systems of the World
- Short Studies in the Science of Comparative Religions
- Religions of the Past and Present
- The Treasure of the Magi: A Study of Modern Zoroastrianism
- Philosophy of the Mazdayasnian Religion Under the Sassanids
- The Teachings of Zoroaster and the Philosophy of the Parsi Religion
- Studies in Islamic Mysticism
- Islamic Naturalism and Mysticism
- Illumination in Islamic Mysticism
- Christian Doctrines in Islamic Theology
- The Secret Doctrine of Israel: A Study of the Zohar and its Connections
- Philosophy, Qabbala and Vedānta. Comparative metaphysics and ethics, rationalism and mysticism, of the Jews, the Hindus and most of the historic nations, as links and developments of one chain of universal philosophy
- Hindu Mysticism
- The Sadhu: A study in mysticism and practical religion
- Vedic Mysticism
- The Religious Mysticism of the Upanishads
- Medieval Mysticism in India
- Triadic Mysticism: The Mystical Theology of the Saivism of Kashmir
- Scientific Vision In Sri Guru Granth Sahib and Interfaith Dialogue
- The Religions of Mongolia
- The Religions of Eastern Asia
- Oriental Mysticism
- The Religions of Japan: from the dawn of history to the era of Méiji
- From Shamanism To Sufism: Women, Islam and Culture in Central Asia
- Mysticism and Magic in Turkey: An account of the religious doctrines, monastic organisation, and ecstatic powers of the Dervish Orders.
- Origin and Growth of Religion as Illustrated by the Native Religions of Mexico and Peru
- The German Mystics of the Fourteenth Century
- Theologia Germanica
- Mysteries of Ancient Britain: Secret Rites and Traditions of Ancient Britain Restored
- The Mythology and Rites of the British Druids
- An Exposition of the Mysteries or Religious Dogmas and Customs of the Ancient Egyptians, Pythagoreans, and Druids
- The Mysticism of St. Francis of Assisi
- The Founder of Quakerism: A Psychological Study of the Mysticism of George Fox
- Military and Religious Life in the Middle Ages and Period of the Renaissance
- Mysticism and Modern Life
- That Other World: Personal Experiences of Mystics and Their Mysticism
- The Elixir of Life from a Chela’s Diary
- The Key to Theosophy: An Exposition of the Science, Ethics, and Philosophy of the Theosophical Society
- Isis Unveiled: A Master-Key to the Mysteries of Ancient and Modern Science and Theology Volumes I & II
- The Great Initiates: Sketch of the Secret History of Religions Vol. 1 – Rama, Krishna, Hermes, Moses, & Orpheus
- The Great Initiates: Sketch of the Secret History of Religions Vol. 2 – Pythagoras, Plato, & Jesus, The Last Great Initiate
- The Son of God: The Mystical Teachings of the Masters
- The Body Electric: Electromagnetism and the Foundation of Life
- Electromagnetism and the Sacred: At the Frontier of Spirit and Matter
- Bel, the Christ of Ancient Times
- The Ancient Use of Liturgical Colors
- The Genius of Christianity: The spirit and beauty of the Christian religion
- Not In His Image: Gnostic Vision, Sacred Ecology And The Future Of Belief
- The Wisdom of the Knowing Ones: Gnosticism, the Key to Esoteric Christianity
- Lives and Legends of the Great Hermits and Fathers of the Church
- Plants of the Gods: Their Sacred, Healing, and Hallucinogenic Powers
- Personal Christianity, a Science: The Doctrines of Jacob Boehme the God-Taught Philosopher
- Eucharistic Delights: a treatise on the blessed sacrament of the altar, with meditations, preparations for communion, and thanksgivings after reception.
- The Natural Mind: A New Way of Looking at Drugs and the Higher Consciousness
- The Eucharistic Sacrifice: A Historical And Theological Investigation Of The Sacrificial Conception Of The Holy Eucharist In The Christian Church
- The Holy Sacrifice of the Mass
- Flesh of the Gods: The Ritual Use of Hallucinogens
- Christ and the Sacred Mushroom
- Food of the Gods: The Search for the Original Tree of Knowledge
- Toward a Super Consciousness: Meditational Theory and Practice
- Soviet and Czechoslovakian Parapsychology Research
- Parapsychology in the USSR
- Parapsychological Research in People’s Republic of China
- Perceptual Augmentation Techniques II and III
- Personnel Selection and Training Procedures
- Photon Production
- Cognitive Sciences Program
- Psychoenergetics Program
- INSCOM Protocols
- The Ethical Dimension
- Quantum Physics & Parapsychology – Geneva
- Parapsychology: Its Relation to Physics, Biology, Psychology, and Psychiatry
- The Permanent Elements of Religion: Eight Lectures
- Volneys Ruins: Meditation on the Revolutions of Empires
- Conquest of a Continent
- The Conflict Between Man and Mammon
- God and Mammon: The Relations of Religion and Economics
- Religio-political Physics: The science and art of man’s deliverance from ignorance-engendered mysticism and its resulting theo-moral quackery and governmental brigandage
- Psychology & Social Dynamics – Various Books
- The Spirit of Laws
- The Political Ideas of St. Thomas Aquinas
- Summa Theologica of St Thomas Aquinas
- 1. The Prince 2. Utopia 3. Ninety-five theses: address to the German nobility concerning Christian liberty
- The Protocols of Zion
- The Most Holy Trinosophia Of The Comte De St Germain
- The Irish Prince and the Hebrew Prophet
- Mysticism, Freudianism and Scientific Psychology
- English Philosophers of the 17th and 18th Centuries
- The Alphabet: Origin and Development of Letters
- Pictorial History of Ancient Pharmacy
- R. Gordon Wasson
- Terence Mckenna Collection
- Collection of 242 Studies
- Mysteria: history of the secret doctrines and mystic rites of ancient religions and medieval and modern secret orders
- The New Melchizedek Bible
- Pythagorean Library & The Life of Pythagoras
- The Kybalion: A study of the Hermetic philosophy of ancient Egypt and Greece
- A History Of Magic And Experimental Science During the First 13 Centuries of Our Era
- The Mysteries of Magic
- The Way of Initiation
- What the Ancient Wisdom Expects of its Disciples
- Lectures on Ancient Philosophy
- Aleister Crowley – Collection of 18 Books
- Mysticism: Sacred and Profane
- An Encyclopaedia of Occultism: Occult sciences, occult personalities, psychic science, magic, demonology, spiritism and mysticism
- The Worship of the Dead: The origin and nature of pagan idolatry and its bearing upon the early history of Egypt and Babylonia
- The Master’s Carpet
- The Worship of Baalim in Israel
- From Damascus to Palmyra
- Palmyra, Past and Present
- Architectural Illustrations and Account Of The Temple Church
- A Dictionary of Secret and Other Societies
- List of Slides Used in Secret Societies
- Bloodline of the Holy Grail
- Iranian and Indian Analogues of The Legend of The Holy Grail
- The Holy Grail from the Idyls of the King
- The Arcane Schools: A Review of their Origin and Antiquity
- Brotherhood of the Rosy Cross
- The Rosicrucians: Their Rites and Mysteries
- Rituals of Fratres Lucis
- Traces of a Hidden Tradition in Masonry and Medeival Mysticism
- The Two Babylons: The Papal Worship Proved to be the Worship of Nimrod and His Wife
- Freemasonry and Catholicism: An Exposition Underlying these Two Great Institutions as Determined by Occult Investigation
- Mystic Masonry: The Symbols of Freemasonry and the Greater Mysteries of Antiquity
- Woman and Freemasonry
- History of the Order of the Eastern Star
- Stellar Theology & Masonic Astronomy
- King Solomon’s Goat
- Albert G. Mackey Collection
- Jirah Buck Collection
- The Mysteries of Freemasonry
- The Mysticism of Masonry
- Cagliostro and His Egyptian Rite of Freemasonry
- Freemasonry of the Ancient Egyptians
- The Lost Keys of Freemasonry or the Secret of Hiram Abiff
- The Secret Tradition in Freemasonry: Analysis of the Inter-relation Between the High Grades
- Manly P. Hall – Alchemy Lectures
- The Story of Alchemy and the Beginnings of Chemistry
- The Mystery and Romance of Alchemy and Pharmacy
- Alchemy: Science of the Cosmos, Science of the Soul
- Bibliotheca Chemica: A Catalogue of the Alchemical, Chemical and Pharmaceutical Books
- Indian Alchemy, or Rasayana
- Alchemy: Ancient and Modern
- Ars Magna Lucis et Umbrae
- New Light Of Mysticism, Azoth: The Star in the East, Embracing the First Matter of the Magnum Opus….
- Splendor Solis: Alchemical Treatises of Salomon Trismosin, Adept & Teacher of Paracelsus
- Splendor Solis (Artwork)
- Jean Dubuis – Collection on Spagyrics, Mineral Alchemy, and Qabala
- Remarks Upon Alchemy and the Alchemists: Indicating a method of discovering the true nature of Hermetic philosophy and showing that the search after the Philosopher’s Stone had not for its object the discovery of an agent for the transmutation of metals: being also an attempt to rescue from undeserved opprobrium the reputation of a class of extraordinary thinkers in past ages
- Lives of Alchemystical Philosophers Based on Materials Collected in 1815: and supplemented by recent researches with a philosophical demonstration of the true principles of the Magnum Opus, or great work of alchemical re-construction, and some account of the spiritual chemistry
- The New Pearl of Great Price: A treatise concerning the treasure and most precious stone of the philosophers, or the method and procedure of this divine art
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- The Religion of Tomorrow: A Vision for the Future of the Great Traditions-More Inclusive, More Comprehensive, More Complete by Ken Wilber
- The Moral Landscape: How Science Can Determine Human Values by Sam Harris
- Dialogues Concerning Natural Religion by David Hume
- Gentlemen Scientists and Revolutionaries: The Founding Fathers in the Age of Enlightenment by Tom Shachtman
- Food of the Gods: The Search for the Original Tree of Knowledge A Radical History of Plants, Drugs, and Human Evolution by Terence McKenna
- The Secret History of Hallucinogens in Christianity by Jerry B. Brown, Ph.D. & Julie Brown, M.A.
- DMT and the Soul of Prophecy: A New Science of Spiritual Revelation in the Hebrew Bible by Rick Strassman M.D.
- The Philosopher’s Stone in the Gospels and in Alchemy by
- Persephone’s Quest: Entheogens and the Origins of Religion by R. Gordon Wasson, Stella Kramrisch, Dr. Carl Ruck, Jonathan Ott
- Buddhism and Psychedelics by Allan Badiner & Alex Grey
- Plants of the Gods: Their Sacred, Healing, and Hallucinogenic Powers by Richard Evans Schultes, Albert Hofmann, & Christian Rätsch
- The Psychedelic Explorer’s Guide: Safe, Therapeutic, and Sacred Journeys by James Fadiman
- The Emerald Tablet: Alchemy for Personal Transformation
- In Search of Being: The Fourth Way to Consciousnessby G.I. Gurdjieff
- The Gurdjieff Movements: A Communication of Ancient Wisdom by
- The Body of Myth: Mythology, Shamanic Trance, and the Sacred Geography of the Body by J. Nigro Sansonese
- Quantum Enigma: Physics Encounters Consciousness by Bruce Rosenblum
- Bel, The Christ of Ancient Times by Hugo Radau
- The Essential Writings of Christian Mysticism by Bernard McGinn
- Major Trends in Jewish Mysticism by Gershom Scholem
- Foundations of Tibetan Mysticism by Lama Anagarika Govinda
- Practical Mysticism by Evelyn Underhill
- Mysticism: The Preeminent Study in the Nature & Development of Spiritual Consciousness by Evelyn Underhill
- The Essentials of Mysticism and Other Essays by Evelyn Underhill
- The Two Babylons, or the Papal Worship Proved to Be the Worship of Nimrod and His Wife by Alexander Hislop
- The Secret Teachings of All Ages by Manly P. Hall
- Cagliostro and His Egyptian Rite of Freemasonry by Henry R. Evans
- The Lost Keys of Freemasonry by Manly P. Hall Free Version
- Freemasonry of the Ancient Egyptians by Manly P. Hall Free Version
- Masonic Orders of Fraternity by Manly P. Hall
- Mystic Masonry: Or the Symbols of Freemasonry and the Greater Mysteries of Antiquity by Jirah D.B. Free Version
- Rituals of Freemasonry by Daniel Sickels Free Version
- Secret Practices of the Sufi Freemasons: The Islamic Teachings at the Heart of Alchemy by Baron Rudolf von Sebottendorff
- The Kybalion by The Three Initiates
- A Testament of Hope: The Essential Writings and Speeches of Martin Luther King, Jr. by MLK, Jr.
- Post Traumatic Slave Syndrome: America’s Legacy of Enduring Injury and Healing by Joy Angela Degruy
- Mother Earth Spirituality: Native American Paths to Healing Ourselves and Our World by Ed McGaa
- Ibogaine Explained by Peter Frank
- Sugar Crush: How to Reduce Inflammation, Reverse Nerve Damage, and Reclaim Good Health by Richard Jacoby and Raquel Baldelomar
- Anatomy of Hatha Yoga: A Manual for Students, Teachers, and Practitioners by David H. Coulter
- The New Encyclopedia of Modern Bodybuilding : The Bible of Bodybuilding by Arnold Schwarzenegger
- The Neurogenesis Diet and Lifestyle: Upgrade Your Brain, Upgrade Your Life by Brant Cortright Ph.D.
- The World Peace Diet: Eating for Spiritual Health and Social Harmony by Will Tuttle