1. University of Pennsylvania, Oversize LJS 211 Title: Roger Bigod deed Author: Roger Bigod, 2nd Earl of Norfolk Date: ca. 1201-1205.
2. University of Pennsylvania, Oversize LJS 184 Title: Etymologies Author: Isidore of Seville Place: Catalonia Date: [between 1265 and 1299]
3. University of Pennsylvania, LJS 115 Title: Summa de poenitentia Author: Raymond of Penyafort Date: between 1225 and 1275.
4. University of Pennsylvania, Oversize LJS 280 Title: Decretales Gregorii IX Author: Catholic Church Place: France Date: [between 1250 and 1299]
5. University of Pennsylvania, Oversize LJS 322 Title: Fragments from Books III-V of Qānūn fī al-ṭibb. Author: Avicenna Date: [12--?]
6. University of Pennsylvania, LJS 35 Title: Decretales Gregorii IX Author: Catholic Church Date: between 1240 and 1260.
8. University of Pennsylvania, Oversize LJS 391 Title: Kitāb al-Manṣūrī Author: Abu Bakr al-Razi Date: between 1200 and 1225?
9. University of Pennsylvania, LJS 404 Title: Jāmiʻ al-ʻulūm Author: Fakhr al-Din al-Razi Place: Iran Date: [between 1200 and 1399?]
10. University of Pennsylvania, LJS 405 Title: Tasʹhīl al-naẓar wa-taʻjīl al-ẓafar Author: Al-Mawardi Place: Egypt Date: [1250-1350?]