651. University of Pennsylvania, Ms. Codex 691 Title: Canon law text Author: Catholic Church Place: Italy Date: [between 1450 and 1550]
652. University of Pennsylvania, Ms. Codex 692 Title: De vita Christiana Author: Pseudo-Augustine Place: Germany Date: 1467.
653. University of Pennsylvania, Ms. Codex 693 Title: Duo dialogi de philosophia morali Author: Umbertus Decembrius Place: Italy Date: [1450?]
654. University of Pennsylvania, Ms. Codex 694 Title: Doctrinal Author: Alexander of Villedieu Place: France Date: [between 1275 and 1299]
655. University of Pennsylvania, Oversize Ms. Codex 697 Title: In quatuor evangelistas Author: Michael of Massa Place: Germany Date: [14--]
656. University of Pennsylvania, Oversize Ms. Codex 698 Title: Registro di lettere Author: Urban VII Place: Italy Date: [between 1572 and 1599]
657. University of Pennsylvania, Ms. Codex 699 Title: Summa aurea Author: William of Auxerre Place: France Date: [13--]
658. University of Pennsylvania, Ms. Codex 69 Title: Scientific texts Place: Germany Date: [between 1450 and 1475]
659. University of Pennsylvania, Ms. Codex 6 Title: Persian texts Author: Persius Place: Italy Date: [between 1450 and 1499?]