The Platonizing Sethian Background of Plotinus's Mysticism
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Thought-Forms. By Annie Besant and C. W. Leadbeater. (Reprint.).
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Great books of the Western World - Volume 43
Encyclopaedia Britannica, Inc.
Theories of Lexical Semantics
Dirk Geeraerts
A Historical Introduction to the Philosophy of Science
John Losee
Data Visualization for People of All Ages
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