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Alexander Pope, John Wilson Croker, Whitwell Elwin, William John Courthope (1871). “The Works of Alexander Pope: New Ed. Including Several Hundred Unpublished Letters, and Other New Materials, Collected in Part by John Wilson Croker. With Introd. and Notes by Whitwell Elwin”, p.180
Paracelsus (1967). “The Hermetic and Alchemical Writings of Aureolus Philippus Theophrastus Bombast, of Hohenheim, Called Paracelsus the Great: Hermetic medicine and hermetic philosophy”