Western Religion and Philosophy

Athanasius Kircher's Theatre of the World: His Life, Work, and the Search for Universal Knowledge

Islamic Patterns: An Analytical and Cosmological Approach

Lords of the Left-Hand Path: Forbidden Practices and Spiritual Heresies

Athanasius Kircher's Theatre of the World: The Life and Work of the Last Man to Search for Universal Knowledge

The Universal Kabbalah:

Dictionary of Ancient Magic Words and Spells: From Abraxas to Zoar

The Physics of Transfigured Light: The Imaginal Realm and the Hermetic Foundations of Science

The Awakening Ground: A Guide to Contemplative Mysticism

Revolt Against the Modern World: Politics, Religion, and Social Order in the Kali Yuga

Occult Paris: The Lost Magic of the Belle Époque

Encyclopedia of Norse and Germanic Folklore, Mythology, and Magic:

Hildegard von Bingen's Physica: The Complete English Translation of Her Classic Work on Health and Healing