21. University of Pennsylvania, Oversize LJS 224 Title: Expositio in libros Posteriorum Aristotelis Author: Paul of Venice Place: Verona Date: [between 1425 and 1475]
22. University of Pennsylvania, Oversize LJS 280 Title: Decretals of Gregory IX Author: Catholic Church Place: France Date: [between 1250 and 1299]
23. University of Pennsylvania, LJS 300 Title: Calendarium and ephemerides. Author: Regiomontanus Place: Lambach Date: [circa 1500]
24. University of Pennsylvania, LJS 304 Title: Dogale Author: Alvise I Mocenigo Place: Venice Date: 1574.
25. University of Pennsylvania, LJS 342 Title: Copies of documents relating to water rights in Milan. Author: Duchy of Milan Place: Milan Date: [after 1444]
26. University of Pennsylvania, LJS 347 Title: De consolatione philosophiae Author: Boethius Place: England Date: [between 1300 and 1350?]
27. University of Pennsylvania, Oversize LJS 359 Title: Canon of Medicine Author: Avicenna Place: England Date: [between 1250 and 1299]
29. University of Pennsylvania, LJS 381 Title: Crispi Sallustii de Catheline conjuracione liber ; Jugurtinum bellum eiusdem. Author: Sallust Place: Padua Date: [between 1455 and 1465?]
30. University of Pennsylvania, LJS 382 Title: Alchemical texts Author: Georg Hayniger Place: Vienna Date: [circa 1476]