1. University of Pennsylvania, LJS 26 Title: Algorismus Author: Johannes de Sacrobosco Place: Italy Date: [between 1225 and 1275]
3. University of Pennsylvania, LJS 380 Title: Pros mathēmatikous Author: Sextus Empiricus Place: Italy Date: [between 1430 and 1450]
4. University of Pennsylvania, Oversize Ms. Codex 1226 Title: Ordo judicarius Author: Egidio Foscarari Place: Italy Date: [between 1300 and 1350]
5. University of Pennsylvania, Oversize Ms. Codex 20 Title: Summa dictaminis Author: Thomas of Capua Place: Italy Date: [13--]
6. Free Library of Philadelphia, Horace MS 2 Title: Ars poetica Author: Horace Place: Italy Date: 1475-1499
7. Free Library of Philadelphia, Lewis E 14 Title: Tractatus de censuris ecclesiasticis Author: Antoninus of Florence Place: Italy Date: 1464-1471
8. Free Library of Philadelphia, Lewis E 165 Title: Compendium logicae Author: Paul of Pergula Place: Italy
9. Free Library of Philadelphia, Lewis E 170 Title: Sentences Author: Peter Lombard Place: Italy and France Date: 1275-1325