Bacon, Roger, 1214?-1294. cn
Roger Bacon's letter concerning the marvelous power of art and of nature and concerning the nullity of magic : together with notes and an account of Bacons's life and work / translated from the Latin by Tenney L. Davis.
Easton, Pa. : Chemical Pub. Co., 1923.
Translation of: De mirabili protestate artis et naturae.
Science, Medieval.
Magic.
Davis, Tenney Lombard, 1890-
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