2. University of Pennsylvania, LJS 236 Title: Thesaurus pauperum Author: John XXI Place: Italy Date: [1450-1499?]
3. University of Pennsylvania, LJS 232 Title: Trattato delle proportioni et proportionalità Author: Benedetto Varchi Date: 1539
4. University of Pennsylvania, Oversize LJS 224 Title: Expositio in libros Posteriorum Aristotelis Author: Paul of Venice Place: Verona Date: [between 1425 and 1475]
5. University of Pennsylvania, LJS 300 Title: Calendarium and ephemerides. Author: Regiomontanus Place: Lambach Date: [circa 1500]
10. University of Pennsylvania, LJS 429 Title: De philosophia naturali Place: Mainz Date: [between 1485 and 1499]