Mysticism: A Study of the Nature and Development of Man's Spiritual Consciousness

Conversations With God

Practical Mysticism

Conversations with God - Book 2: An uncommon dialogue

Mystics of the Church

Conversations with God - Book 3: An uncommon dialogue

Light of Christ: Addresses given at the House of Retreat Pleshey, in May, 1932

The Circle Series 4-in-1: The Complete Series Including Black, Red, White, and Green

The Life of the Spirit and the Life of To-day

Lilith Magick: Infernal Magick

Worship

The Masnavi, Book One

Essentials of Mysticism

Concerning the Inner Life with the House of the Soul

New Seeds of Contemplation

Jacopone da Todi: Poet and Mystic (1228-1306): A Spiritual Biography

A Draw of Kings (The Staff and the Sword)

The Grey World

The Hero's Lot (The Staff and the Sword)