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Cover of The Opus Majus of Roger Bacon

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Black Magic, White Magic & the Theory of Magic

The Opus Majus of Roger Bacon

by Roger Bacon · Robert Belle Burke (trans.)

The standard English translation of the great work that Roger Bacon sent to Pope Clement IV in 1267. Its parts on languages, mathematics, optics, experimental science and moral philosophy include Bacon's distinction between legitimate astrology and the condemned arts of magicians.

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