2. University of Pennsylvania, LJS 229 Title: Commentaries on Aristotle and Porphyry Place: Provence Date: [between 1450 and 1499]
3. University of Pennsylvania, LJS 26 Title: Algorismus Author: Johannes de Sacrobosco Place: Italy Date: [between 1225 and 1275]
5. University of Pennsylvania, LJS 236 Title: Thesaurus pauperum Author: John XXI Place: Italy Date: [1450-1499?]
7. University of Pennsylvania, LJS 232 Title: Trattato delle proportioni et proportionalità Author: Benedetto Varchi Date: 1539
8. University of Pennsylvania, LJS 216 Title: Sphaera mundi Author: Johannes de Sacrobosco Place: Paris Date: [between 1256 and 1270]
9. University of Pennsylvania, LJS 226 Title: Certain astrological and astronomical figures Place: England Date: [1410?]
10. University of Pennsylvania, LJS 215 Title: Scientific miscellany Author: Imbert Feutrier Date: 1511