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1. A Compendium of the Philosophy of Roger Bacon. Roger Bacon (c. 1214–1292) was a Franciscan friar and pioneer of the scientific method.
2. By the same author: a fragment on common natural principles. original: "de communibus naturalibus"
3. The same author on Mathematics.
4. The same author on Medical Matters. original: "de Medit_tibus," likely a contraction for "Medicinalibus."
5. Other Mathematical fragments by the same author.
6. Al-Farabi on the Sciences; or, the Book of Gundissalinus on the Division of Philosophy. Al-Farabi was a renowned Islamic philosopher; Dominicus Gundissalinus was a 12th-century translator who adapted Al-Farabi's work into Latin.
7. Thomas Bernardinus the Englishman; or perhaps Bradwardine on Proportions. Thomas Bradwardine was a 14th-century Archbishop and mathematician known for his "Law of Proportions."