cal 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.]

[Footnote 71: _Chart. Univ. Paris._, I, No. 246.]

[Footnote 72: Rashdall, I, p. 436.]

[Footnote 73: _Munimenta Acad. Oxon.,_ I, pp. 35-36.]

[Footnote 74: _Munimenta Acad. Oxon._, I, pp. 242-243.]

[Footnote 75: The figures in brackets indicate the time to be given to
each book, or group of books. The data are from Zarncke, _Statutenbuecher
der Univ. Lei