441. University of Pennsylvania, Oversize Ms. Codex 747 Title: Aurora Author: Petrus Riga Place: France Date: [1250-1300]
443. University of Pennsylvania, Ms. Codex 750 Title: Sacramentary Place: Germany Date: [between 1370 and 1499]
444. University of Pennsylvania, Ms. Codex 758 Title: Chant book Author: Catholic Church Date: [14--?]
445. University of Pennsylvania, Ms. Codex 75 Title: Pupilla oculi Author: John Burgh Place: England Date: [between 1400 and 1425]
446. University of Pennsylvania, Oversize Ms. Codex 764 Title: Commentary on Aristotle's Metaphysics Place: Germany Date: [14--]
447. University of Pennsylvania, Ms. Codex 767 Title: Commentary on Aristotle Place: Italy Date: [1400?]
448. University of Pennsylvania, Oversize Ms. Codex 78 Title: Religious texts Place: Germany Date: [between 1400 and 1450]
449. University of Pennsylvania, Oversize Ms. Codex 80 Title: Statutes Place: Città di Castello Date: [between 1261 and 1273]
450. University of Pennsylvania, Ms. Codex 824 Title: Religious texts Place: Cologne Date: [between 1400 and 1450]