The Mirror of Alchemy
$7.49 - $32.95
Roger Bacon's Selected Occult Writings
$24.59 - $39.91
The Opus Majus of Roger Bacon (Thoemmes Press - Medieval and Renaissance Philosophy)
$95.33
Philosophy
$18.56 - $33.47
Roger Bacon's Life and Work
$17.77 - $30.83
Root of the World and the Magical Letter
$18.51 - $34.35
Roger Bacon's Letter
$19.63 - $35.23
Roger Bacon & the Origins of Perspectiva in the Middle Ages: A Critical Edition & English Translation of Bacon's Perspectiva with Introduction and Notes
$250.00
Mathematics
$31.95
Fr. Rogeri Bacon Opera Quaedam Hactenus Inedita: Vol. 1. Containing 1. Opus Tertium. 2. Opus Minus. 3. Compendium Philosophiae
$31.95 - $61.12
Four Works of Roger Bacon
$16.49
The Alchemy Method
$9.78
Opus Majus of Roger Bacon, Part 1
Out of Stock
Opus Majus of Roger Bacon, Part 2
$29.95 - $40.40
Roger Bacon's Philosophy of Nature: A Critical Edition, With English Translation, Introduction, and Notes, of De Multiplicatione Specierum and De Speculis Comburentibus
$71.09
Opera Hactenus Inedita Rogeri Baconi: Metaphysica Fratris Bogeri
$18.51 - $34.35
Moral Philosophy
$25.69 - $40.95
The Greek Grammar of Roger Bacon and a Fragment of His Hebrew Grammar;
$30.52 - $44.28
Fr. Rogeri Bacon Opera Qu�dam Hactenus Inedita
$32.95 - $89.84
Roger Bacon's Letter: Concerning The Marvelous Power Of Art And Nature And The Nullity Of Magic
$19.63
Experimental Science
$21.78 - $34.95
The Mirror of Alchimy
$16.20 - $30.95
Un Fragment In�dit de l'Opus Tertium de Roger Bacon: Pr'une Ude Sur Ce Fragment
Out of Stock
The 'opus Majus' Of Roger Bacon, Ed, Volume 2...
Out of Stock
The 'opus Majus' Of Roger Bacon, Ed, Volume 1...
Out of Stock
Roger Bacon: Sa Vie, Ses Ouvrages, Ses Doctrinces, d'Apr�s Des Textes In�dits
Out of Stock
The Chronicles and Memorials of Great Britain and Ireland During the Middle Ages
Out of Stock
The Causes of Error
$17.95 - $32.95
The Study Of Tongues
$18.95 - $33.95
Tract on the Tincture and Oil of Antimony
$8.58