1. University of Pennsylvania, LJS 26 Title: Algorismus Author: Johannes de Sacrobosco Place: Italy Date: [between 1225 and 1275]
2. University of Pennsylvania, Oversize LJS 25 Title: Metaphysics Author: Aristotle Place: Italy Date: [1275-1299?]
3. University of Pennsylvania, LJS 236 Title: Thesaurus pauperum Author: John XXI Place: Italy Date: [1450-1499?]
5. University of Pennsylvania, Oversize LJS 418 Title: Passio sancti Blasii Place: Italy Date: [12--]
8. University of Pennsylvania, Oversize LJS 450 Title: Compendium of legal texts Place: Italy Date: 1450-1499
9. University of Pennsylvania, LJS 468 Title: Meḳitse nirdamim Author: Meir ben Solomon Alguadez Place: Italy Date: [after 1546]
10. University of Pennsylvania, LJS 497 Title: Canones vel operationes in operando quadrante Place: Italy Date: [circa 1502]