Religion
Gnostics

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  Gematria - A Preliminary Investigation of The Cabala contained in the Coptic Gnostic Books
  Frederick Bligh Bond, F.R.I.B.A

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  The Secret Adam - A Study of Nasoraean Gnosis
  E.S. Drower

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  Dictionary of Gnosis & Western Esotericism
  Wouter J. Hanegraaff

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  The Gnostics and Their Remains, Ancient and Mediaeval
  C.W. King, M.A.

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  The Gnostics
  Jacques Lacarriere

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  Not in His Image
  John Lamb Lash

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  Apollonius of Tyana - The Philosopher-Reformer of the First Century A.D.
  G.R.S. Mead

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  Echos From The Gnosis Vol 1: The Gnosis of the Mind
  G.R.S. Mead

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  Echos From The Gnosis Vol 2: The Hymns of Hermes
  G.R.S. Mead

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  Echos From The Gnosis Vol 3: The Vision of Aridaeus
  G.R.S. Mead

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  Echos From The Gnosis Vol 4: The Hymn of Jesus
  G.R.S. Mead

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  Echos From The Gnosis Vol 5: Mysteries of Mithra
  G.R.S. Mead

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  Echos From The Gnosis Vol 6: Mithriac Ritual
  G.R.S. Mead

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  Echos From The Gnosis Vol 7: The Gnostic Crucifixion
  G.R.S. Mead

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  Echos From The Gnosis Vol 8: The Chaldean Oracles
  G.R.S. Mead

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  Echos From The Gnosis Vol 9: The Chaldean Oracles
  G.R.S. Mead

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  Echos From The Gnosis Vol 10: The Hymn of the Robe of Glory
  G.R.S. Mead

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  Echos From The Gnosis Vol 11: Wedding Song of Wisdom
  G.R.S. Mead

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  Thrice-Greatest Hermes - Vol 1 - Studies in Hellenistic Theosophy and Gnosis
  G.R.S. Mead

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  Thrice-Greatest Hermes - Vol 2 - Studies in Hellenistic Theosophy and Gnosis
  G.R.S. Mead

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  The Nag Hammadi Library
  James Robinson