21. University of Pennsylvania, LJS 299 Title: Sefer ha-Ḳanon ... etc.. Author: Avicenna Place: Yemen Date: [1400-1525?]
22. University of Pennsylvania, LJS 29 Title: Extratto da un libro de razza da cavalli del re Ferrante vechio de Aragona. Author: Ferdinand I of Naples Place: Venice Date: 1541.
23. University of Pennsylvania, LJS 311 Title: Sefer ha-Ḳanon ... etc.. Author: Avicenna Place: Italy Date: [14--]
24. University of Pennsylvania, Oversize LJS 322 Title: Fragments from Books III-V of Qānūn fī al-ṭibb. Author: Avicenna Date: [12--?]
25. University of Pennsylvania, LJS 345 Title: Inventions or devises. Author: William Bourne Place: Gravesend Date: [circa 1576]
26. University of Pennsylvania, Oversize LJS 359 Title: Qānūn fī al-ṭibb Author: Avicenna Place: England Date: [between 1250 and 1299]
27. University of Pennsylvania, LJS 37 Title: Elements Author: Euclid Place: Egypt Date: A.H. 502 (1108-1109)
28. University of Pennsylvania, LJS 380 Title: Pros mathēmatikous Author: Sextus Empiricus Place: Italy Date: [between 1430 and 1450]
29. University of Pennsylvania, LJS 384 Title: Philosophia mundi Author: William of Conches Place: Germany Date: [circa 1150]
30. University of Pennsylvania, LJS 386 Title: Mīzān al-ḥikmah Author: Al-Khazini Date: [1250?-1350?]