41. University of Pennsylvania, Oversize LJS 427 Title: Qānūn fī al-ṭibb Author: Avicenna Place: Persia Date: A.H. 989 (1581)
42. University of Pennsylvania, LJS 42 Title: Bet Elohim. Shaʻar ha-shamayim. Author: Moses Almosnino Place: Salonika Date: [1551]
43. University of Pennsylvania, LJS 430 Title: Carmina de urinarum iudiciis et de pulsibus Author: Bartholomaeus de Montagna Place: France Date: [after 1500]
45. University of Pennsylvania, LJS 434 Title: Jadāvil-i ikhtiyārāt Place: Iran Date: approximately A.H. 912 (1507)
46. University of Pennsylvania, LJS 435 Title: Maqālah fī al-ʻamal bi-al-yad Author: Abu al-Qasim al-Zahrawi Place: A.H. 869 (1464) Date: 1464
47. University of Pennsylvania, LJS 436 Title: Ḍawʼ al-sirāj Author: Maḥmūd ibn Abī Bakr Faraḍī Date: A.H. 723-747 (1323-1347)
48. University of Pennsylvania, LJS 437 Title: Circa instans Author: Matthaeus Platearius Place: Germany Date: [1400?]
49. University of Pennsylvania, LJS 438 Title: Neoplatonic translations Author: Platonic Academy Place: Florence Date: [circa 1475]
50. University of Pennsylvania, LJS 439 Title: Book on the configuration of the orb Author: Dunash ibn Tamim Place: Seville Date: [13--?]