1. University of Pennsylvania, LJS 198 Title: De simplicibus Author: Arnaldus de Villa Nova Place: Spain Date: [between 1350 and 1380]
2. University of Pennsylvania, LJS 462 Title: Algorismus Author: Alexander of Villedieu Place: Spain Date: [between 1300 and 1350]
3. University of Pennsylvania, Oversize LJS 501 Title: Bāriʻ fī aḥkām al-nujūm Author: Haly Abenragel Place: England Date: [approximately 1320]
5. University of Pennsylvania, Oversize Ms. Codex 1226 Title: Ordo judicarius Author: Egidio Foscarari Place: Italy Date: [between 1300 and 1350]
6. University of Pennsylvania, Oversize Ms. Codex 20 Title: Summa dictaminis Author: Thomas of Capua Place: Italy Date: [13--]
7. University of Pennsylvania, Oversize Ms. Codex 721 Title: Oculus sacerdotis Author: William of Pagula Place: England Date: [1390-1425]
8. University of Pennsylvania, Ms. Coll. 591 Folder 19 Title: Régime du corps Author: Aldobrandino da Siena Date: between 1375 and 1399.
9. University of Pennsylvania, Ms. Coll. 591 Folder 21 Title: Liber aggregatus in medicinis simplicibus Author: Serapion the Younger Date: ca. 1300.
10. University of Pennsylvania, Ms. Coll. 591 Folder 8 Title: Diaeta salutis Author: Guillaume de Lanicia Date: 1300s.