41. University of Pennsylvania, LJS 439 Title: Book on the configuration of the orb Author: Dunash ibn Tamim Place: Seville Date: [13--?]
42. University of Pennsylvania, LJS 441 Title: Miṣbāḥ fī ʻilm al-miftāḥ fī al-ḥikmah al-Ilāhīyah wa-al-ṣināʻah al-ḥikmīyah Author: Al-Jaldaki Place: Aleppo Date: A.H. 970 (1562)
43. University of Pennsylvania, Oversize LJS 442 Title: Buch von den probierten Künsten Author: Franz Helm Place: Bavaria Date: [between 1585 and 1599?]
44. University of Pennsylvania, LJS 443 Title: Collection of texts on the calendar Place: Armenia Date: [after 1416]
45. University of Pennsylvania, Oversize LJS 449 Title: Medical miscellany Place: Germany Date: [circa 1446]
46. University of Pennsylvania, Oversize LJS 450 Title: Compendium of legal texts Place: Italy Date: 1450-1499
47. University of Pennsylvania, LJS 455 Title: Fawāʼid al-ḥabīb. Zinjār al-ḥukamāʼ Author: Abu ʻAbd Allāh Muḥammad ibn al-Bahāʼ Place: Egypt Date: [1400?]
48. University of Pennsylvania, LJS 456 Title: Secretum secretorum Place: Andalusia Date: A.H. 797 (1394)
49. University of Pennsylvania, LJS 457 Title: Logica parva Author: Paul of Venice Place: Perugia Date: 1475.
50. University of Pennsylvania, LJS 459 Title: Secretum secretorum Place: Mosul Date: [between 1193 and 1211]