Hermetic Order of the Golden Dawn Staff

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  Astral Projection, Ritual Magic and Alchemy
  by Francis King, S. L. Macgregor Mathers
  Hardcover, Spearman, ISBN 085435171X (0-85435-171-X)
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  Astral Projection, Ritual Magic and Alchemy: Golden Dawn Material
  by S. L. MacGregor Mathers, Francis King, R. A. Gilbert, Hermetic Order of the Golden Dawn Staff
  Softcover, Micro Data Base Systems, Incorporated (m d b s), ISBN 0850305063 (0-85030-506-3)
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  The Secret Rituals of the Golden Dawn
  by R. G. Torrens
  Hardcover, The Aquarian Press, ISBN 0850300975 (0-85030-097-5)