Publication Year: 1923
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Thirty Years of Psychical Research
Being a Treatise on Metaphysics
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The Medicine Man
A Sociological Study of the Character and Evolution of Shamanism
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Rosicrucian Manual
for the instruction of Postulants in the congregation of the outer, Neophytes, and fraters of Duly Instituted Colleges of the Societas Rosicruciana In America (second edition)
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A History of Magic and Experimental Science
Volume 2 – During the First Thirteen Centuries of Our Era
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A History of Magic and Experimental Science
Volume 1 – During the First Thirteen Centuries of Our Era