1. University of Pennsylvania, LJS 229 Title: Commentaries on Aristotle and Porphyry Place: Provence Date: [between 1450 and 1499]
2. University of Pennsylvania, LJS 299 Title: Sefer ha-Ḳanon ... etc.. Author: Avicenna Place: Yemen Date: [1400-1525?]
3. University of Pennsylvania, LJS 311 Title: Sefer ha-Ḳanon ... etc.. Author: Avicenna Place: Italy Date: [14--]
4. University of Pennsylvania, LJS 312 Title: ʻIr siḥon. Author: Joseph ben Moses Sarfati Place: Spain Date: [14--]
6. University of Pennsylvania, LJS 469 Title: Qānūn fī al-ṭibb Author: Avicenna Place: Italy Date: [circa 1490]
7. University of Pennsylvania, LJS 472 Title: Ḥeshbon mahalkhot ha-kokhavim Author: Abraham bar Hiyya Place: Spain Date: [14--]
8. University of Pennsylvania, LJS 476 Title: Yesod ʻolam Author: Isaac Israeli ben Joseph Place: Spain Date: [1460?]
9. University of Pennsylvania, LJS 492 Title: Medical miscellany Place: Spain Date: [between 1425 and 1475]
10. University of Pennsylvania, LJS 494 Title: Sphaera mundi Author: Johannes de Sacrobosco Place: Italy Date: [between 1425 and 1450]