31. University of Pennsylvania, Oversize LJS 280 Title: Decretales Gregorii IX Author: Catholic Church Place: France Date: [between 1250 and 1299]
32. University of Pennsylvania, Oversize LJS 285 Title: Decreto di banco feneratitio, Author: Francesco III Gonzaga, Duke of Mantua Date: 1542.
33. University of Pennsylvania, LJS 300 Title: Calendarium and ephemerides. Author: Regiomontanus Place: Lambach Date: [circa 1500]
34. University of Pennsylvania, LJS 304 Title: Dogale Author: Alvise I Mocenigo Place: Venice Date: 1574.
36. University of Pennsylvania, LJS 342 Title: Copies of documents relating to water rights in Milan. Author: Duchy of Milan Place: Milan Date: [after 1444]
37. University of Pennsylvania, LJS 347 Title: De consolatione philosophiae Author: Boethius Place: England Date: [between 1300 and 1350?]
38. University of Pennsylvania, Oversize LJS 359 Title: Qānūn fī al-ṭibb Author: Avicenna Place: England Date: [between 1250 and 1299]
39. University of Pennsylvania, LJS 35 Title: Decretales Gregorii IX Author: Catholic Church Date: between 1240 and 1260.