31. University of Pennsylvania, Ms. Codex 33 Title: De mystica theologia Author: Jean Gerson Place: France Date: [between 1400 and 1450]
32. University of Pennsylvania, Oversize Ms. Codex 721 Title: Oculus sacerdotis Author: William of Pagula Place: England Date: [1390-1425]
33. University of Pennsylvania, Ms. Codex 918 Title: Regulae Author: Theobaldus Episcopus Place: Northern Italy Date: [1200?]
34. University of Pennsylvania, Ms. Codex 925 Title: Liber de amore et dilectione dei et proximi et aliarum rerum et de forma vitae Author: Albertanus of Brescia Place: Veneto Date: [1400-1425?]
35. University of Pennsylvania, Ms. Coll. 591 Folder 19 Title: Régime du corps Author: Aldobrandino da Siena Date: between 1375 and 1399.
36. University of Pennsylvania, Ms. Coll. 591 Folder 21 Title: Liber aggregatus in medicinis simplicibus Author: Serapion the Younger Date: ca. 1300.
37. University of Pennsylvania, Ms. Coll. 591 Folder 8 Title: Diaeta salutis Author: Guillaume de Lanicia Date: 1300s.
38. Free Library of Philadelphia, Horace MS 2 Title: Ars poetica Author: Horace Place: Italy Date: 1475-1499