661. University of Pennsylvania, Ms. Codex 688 Title: Book of hours Author: Catholic Church Place: Italy Date: [between 1500 and 1599]
662. University of Pennsylvania, Ms. Codex 689 Title: Theological texts Place: Italy Date: [between 1400 and 1450]
663. University of Pennsylvania, Ms. Codex 691 Title: Canon law text Author: Catholic Church Place: Italy Date: [between 1450 and 1550]
664. University of Pennsylvania, Ms. Codex 692 Title: De vita Christiana Author: Pseudo-Augustine Place: Germany Date: 1467.
665. University of Pennsylvania, Ms. Codex 693 Title: Duo dialogi de philosophia morali Author: Umbertus Decembrius Place: Italy Date: [1450?]
666. University of Pennsylvania, Oversize Ms. Codex 697 Title: In quatuor evangelistas Author: Michael of Massa Place: Germany Date: [14--]
667. University of Pennsylvania, Oversize Ms. Codex 698 Title: Registro di lettere Author: Urban VII Place: Italy Date: [between 1572 and 1599]
668. University of Pennsylvania, Ms. Codex 69 Title: Scientific texts Place: Germany Date: [between 1450 and 1475]
669. University of Pennsylvania, Ms. Codex 6 Title: Persian texts Author: Persius Place: Italy Date: [between 1450 and 1499?]