41. University of Pennsylvania, LJS 455 Title: Fawāʼid al-ḥabīb. Zinjār al-ḥukamāʼ Author: Abu ʻAbd Allāh Muḥammad ibn al-Bahāʼ Place: Egypt Date: [1400?]
42. University of Pennsylvania, LJS 459 Title: Secretum secretorum Place: Mosul Date: [between 1193 and 1211]
43. University of Pennsylvania, LJS 462 Title: Algorismus Author: Alexander of Villedieu Place: Spain Date: [between 1300 and 1350]
44. University of Pennsylvania, LJS 465 Title: Poem Author: Ibn Luyun Place: Spain Date: [13--?-14--?]
45. University of Pennsylvania, LJS 467 Title: Hādhā min Khawāṣs al-manāzil wa-hiya fī al-maghrib anwāʼ Place: North Africa Date: [13--?-15--?]
46. University of Pennsylvania, LJS 468 Title: Meḳitse nirdamim Author: Meir ben Solomon Alguadez Place: Italy Date: [after 1546]
47. University of Pennsylvania, LJS 469 Title: Qānūn fī al-ṭibb Author: Avicenna Place: Italy Date: [circa 1490]
49. University of Pennsylvania, LJS 471 Title: Medical miscellany Author: Gentile da Foligno Place: Italy Date: [circa 1350-1499]
50. University of Pennsylvania, LJS 472 Title: Ḥeshbon mahalkhot ha-kokhavim Author: Abraham bar Hiyya Place: Spain Date: [14--]