For the License to teach everywhere: (1) Natural Philosophy: Physics; On the Heavens and the Earth; On Generation and Corruption; Parva Naturalia (see p. 143); On Mechanics. (2) Mathematics: "Some books"; probably the treatises required at Leipzig in 1410. (See p. 140). (3) Politics. (4) Rhetoric. For the A.M.: (1) Ethics. (2) Meteorics (3 Bks.).[72] 3. Books required at Oxford, 1267: For the A.B. (Determination): (1) Logic: The Old and the New Logic (see p. 140), and On the Six Principles. (2) Either Grammar (selections from Donatus and Priscian), or Natural Philosophy (Physics, On the Soul, and On Generation and Corruption).[73] For the A.B. in (?) 1408. (1) Logic: The Old and the New Logic in "cursory," or extraordinary, lectures, given by Bachelors; Introduction, Porphyry: On the Six Principles, Gilbert de la Porree; Sophistical Refutations. (2) Grammar; Barbarismus, Donatus. (3) Mathematics: Arithmetic; Computus ecclesiasticus (Method of finding Easter); On the Sphere, Sacrobosco.[74] 4. Books required at Leipzig for the Degree of A.B. in 1410.[75] (1) Grammar; Priscian (the last two books). [2 months.] {Tractatus (Summulae), Petrus Hispanus. [2-1/2-3 months.] (2) Logic {The "Old" Logic (see Paris, 1254). [3-4 months.] {The "New" " except Topics. [6-1/2-7 months.] (3) Nat'l Philosophy {Physics. [6-9 months.] {On the Soul. [7 weeks-2 months.] (4) Mathematics; On the Material Sphere (Sacrobosco). [5-6 weeks.] 5. Books required at Leipzig for the Degree of A.M. in 1410. (1) Logic {Logic of Heytisbury. {Topics, Aristotle. [3-4 months.] (2) Moral and {Ethics. [6-9 " ] Practical {Politics. [4-9 " ] Philosophy {Economics. [3 weeks.] {On the Heavens and the Earth. [3-1/2-4 { months.] {On Generation and Destruction. [7 { weeks-2 months.] (3) Natural Philosophy {Meteorics. [3-1/2-4 months.] {Parva Naturalia (i.e., the books on { Sense and Sensible Things, Sleep and { Waking, Memory and Recollection, { Longevity and Shortlivedness). [2-1/2-3 { months.] (4) Metaphysics: Metaphysics. [5-9 months.] {Astronomy: Theory of the Planets { (Gerard of Cremona). [5-6 weeks.] {Geometry: Euclid. [5-9 months.] {Arithmetic: Common Arithmetic (Sacrobosco). (5) Mathematics { [3 weeks-1 month.] {Music: Music (John de Muris). [3 { weeks-1 month.] {Optics: Common Perspective (John { of Pisa). [3-3-1/2 months.][76] FOOTNOTES: [Footnote 70: Statutes of 1431.]