Modern Esoteric Spirituality (World spirituality series, Vol. 21)

Spiritual Writings: A New Translation and Selection (Harper Perennial Modern Thought)

Spiritualism and Theosophy: Esoteric Classics

Esoteric Mediumship: The Way of the Spiritual Medium

From Modernity to Cosmodernity: Science, Culture, and Spirituality (SUNY series in Western Esoteric Traditions)