An Outline of Occult Science
2011
Theosophy
2011
The Philosophy of Spiritual Activity
2017
Mystics of the Renaissance and Their Relation to Modern Thought - Including Meister Eckhart, Tauler, Paracelsus, Jacob Boehme, Giordano Bruno and Others
2013
Christianity as a Mystical Fact
2011
Cronaca dell'Akasha
2020