31. University of Pennsylvania, Oversize Ms. Codex 1257 Title: Ars epistolandi Author: Antonius de Vecelli Place: Pieve di Cadore Date: 1414-1497.
32. University of Pennsylvania, Oversize Ms. Codex 1271 Title: Opuscula Author: Thomas Aquinas Place: Paris Date: [between 1269 and 1323]
33. University of Pennsylvania, Ms. Codex 131 Title: Alchemical miscellany Place: Italy Date: [between 1550 and 1650]
34. University of Pennsylvania, Ms. Codex 1520 Title: De anima Author: Johannes von Kastl Place: Germany Date: 1436.
35. University of Pennsylvania, Ms. Codex 1559 Title: Scale of perfection Author: Walter Hilton Place: Italy Date: 1510.
36. University of Pennsylvania, Ms. Codex 1607 Title: Seneca's tragedies Place: Germany Date: [after 1589]
37. University of Pennsylvania, Ms. Codex 1630 Title: Rhetorica ad Herennium Place: Venice Date: [between 1440 and 1460]
38. University of Pennsylvania, Oversize Ms. Codex 20 Title: Summa dictaminis Author: Thomas of Capua Place: Italy Date: [13--]
39. University of Pennsylvania, Ms. Codex 33 Title: De mystica theologia Author: Jean Gerson Place: France Date: [between 1400 and 1450]
40. University of Pennsylvania, Ms. Codex 614 Title: Miscellany Place: Germany Date: [from 1437 to 1499]