2. University of Pennsylvania, LJS 295 Author: Safi al-Din al-Urmawi Place: Iran Date: A.H. 815 (1412)
3. University of Pennsylvania, Oversize LJS 47 Title: De institutione musica Author: Boethius Place: France Date: 1490
4. University of Pennsylvania, Oversize LJS 97 Title: Commentarius in Claudii Ptolemaei Harmonica Author: Porphyry Place: Spain Date: [between 1560 and 1580?]
5. University of Pennsylvania, Ms. Codex 614 Title: Miscellany Place: Germany Date: [from 1437 to 1499]
8. Columbia University Rare Book & Manuscript Library, MS Or 45 Title: On astronomy, geometry, and arithmetic Date: 12--?-13--?