The Secret Teachings of All Ages Volume 2: Lectures on Ancient Philosophy and the Foundations of Esoteric WisdomFrancis Bacon
An Elementary Treatise Upon Man's Past Evolution, Present Constitution And Future DevelopmentMax Heindel
The Rosicrucian Mysteries: An Elementary Exposition of Their Secret Teachings: Unveiling the Esoteric Wisdom of the Rosicrucian TraditionMax Heindel