1. University of Pennsylvania, LJS 398 Title: Maqālah fī khalq al-insān Author: Saʻīd ibn Hibat Allāh ibn al-Ḥusayn Place: Syria Date: A.H. 689 (1290)
2. University of Pennsylvania, Oversize LJS 478 Title: Kitāb fī istīʻāb al-wujūh al-mumkinah fī ṣanʻat al-asṭurlāb Author: Al-Biruni Date: A.H. 625 (1228)
3. University of Pennsylvania, Misc Mss Box 16 Folder 24 Title: Miscellany Author: Raginaldus Collus Rubeus Date: 1256.
4. University of Pennsylvania, Misc Mss Box 19 Folder 38 Title: Miscellany Author: Galuccio Trevisono Volpe Date: 1292.
5. University of Pennsylvania, Oversize Ms. Codex 80 Title: Statutes Place: Città di Castello Date: [between 1261 and 1273]
6. University of Pennsylvania, Ms. Coll. 742 Folder 2 Title: Notarial documents Author: Pietro Parenzi Date: 1239.
7. University of Pennsylvania, Ms. Coll. 742 Folder 3 Title: Legal documents Author: Biccherna Date: 1244.
8. University of Pennsylvania, Ms. Coll. 742 Folder 4 Title: Notarial documents Author: Siena Date: 1248.
9. University of Pennsylvania, Ms. Coll. 742 Folder 5 Title: Legal documents Author: Ildibrandinus Date: 1251.
10. University of Pennsylvania, Ms. Coll. 742 Folder 6 Title: Notarial documents Author: Piccolomo Oltremonti Date: 1254.