641. University of Pennsylvania, Ms. Codex 680 Title: Sermons Author: John Felton Place: Oxford Date: [1450?]
642. University of Pennsylvania, Ms. Codex 681 Title: Book of hours Author: Catholic Church Place: France Date: [between 1450 and 1500]
644. University of Pennsylvania, Ms. Codex 683 Title: Dubia Author: Paul of Pergula Place: Bologna Date: 1454.
645. University of Pennsylvania, Oversize Ms. Codex 684 Title: Meditations Author: Juan de Torquemada Place: Rome Date: 1469.
647. University of Pennsylvania, Ms. Codex 686 Title: Commentary on Peter Lombard's Sententiarum Author: William Rothwell Place: France Date: [between 1270 and 1280]
648. University of Pennsylvania, Ms. Codex 687 Title: Rules Author: Augustinians Place: France Date: [14--]
649. University of Pennsylvania, Ms. Codex 688 Title: Book of hours Author: Catholic Church Place: Italy Date: [between 1500 and 1599]
650. University of Pennsylvania, Ms. Codex 690 Title: Breviary Author: Catholic Church Place: France Date: [13--]