21. University of Pennsylvania, Oversize LJS 174 Title: Alphonsine tables Place: Prague Date: 1401-1404.
22. University of Pennsylvania, Oversize LJS 280 Title: Decretales Gregorii IX Author: Catholic Church Place: France Date: [between 1250 and 1299]
23. University of Pennsylvania, LJS 347 Title: De consolatione philosophiae Author: Boethius Place: England Date: [between 1300 and 1350?]
24. University of Pennsylvania, Oversize LJS 359 Title: Qānūn fī al-ṭibb Author: Avicenna Place: England Date: [between 1250 and 1299]
25. University of Pennsylvania, LJS 35 Title: Decretales Gregorii IX Author: Catholic Church Date: between 1240 and 1260.
26. University of Pennsylvania, Oversize LJS 36 Title: Manuscript leaf from an account of the Jewish Wars, Date: 1100s.
27. University of Pennsylvania, LJS 382 Title: Alchemical miscellany Author: Georg Hayniger Place: Vienna Date: [circa 1476]
28. University of Pennsylvania, LJS 384 Title: Philosophia mundi Author: William of Conches Place: Germany Date: [circa 1150]
29. University of Pennsylvania, Oversize LJS 391 Title: Kitāb al-Manṣūrī Author: Abu Bakr al-Razi Date: between 1200 and 1225?
30. University of Pennsylvania, LJS 395 Title: De proprietatibus rerum Author: Bartholomew Anglicus Date: 1200s.