31. University of Pennsylvania, LJS 459 Title: Secretum secretorum Place: Mosul Date: [between 1193 and 1211]
32. University of Pennsylvania, LJS 462 Title: Algorismus Author: Alexander of Villedieu Place: Spain Date: [between 1300 and 1350]
33. University of Pennsylvania, LJS 469 Title: Qānūn fī al-ṭibb Author: Avicenna Place: Italy Date: [circa 1490]
34. University of Pennsylvania, LJS 472 Title: Ḥeshbon mahalkhot ha-kokhavim Author: Abraham bar Hiyya Place: Spain Date: [14--]
35. University of Pennsylvania, Oversize LJS 473 Title: L'arte del navegare Place: Venice Date: 1464-1465.
36. University of Pennsylvania, LJS 476 Title: Yesod ʻolam Author: Isaac Israeli ben Joseph Place: Spain Date: [1460?]
37. University of Pennsylvania, Oversize LJS 47 Title: De institutione musica Author: Boethius Place: France Date: 1490
38. University of Pennsylvania, LJS 484 Title: Mulomedicina Author: Vegetius Place: Ferrara Date: [between 1450 and 1475]
39. University of Pennsylvania, LJS 487 Title: Treatises on astronomical instruments Place: France Date: [between 1500 and 1599]
40. University of Pennsylvania, LJS 488 Title: Summa de arithmetica, geometria, proportioni et proportionalità Author: Luca Pacioli Place: Venice Date: [after 1494]