51. University of Pennsylvania, LJS 404 Title: Jāmiʻ al-ʻulūm Author: Fakhr al-Din al-Razi Place: Iran Date: [between 1200 and 1399?]
52. University of Pennsylvania, LJS 405 Title: Tasʹhīl al-naẓar wa-taʻjīl al-ẓafar Author: Al-Mawardi Place: Egypt Date: [1250-1350?]
53. University of Pennsylvania, Oversize LJS 418 Title: Passio sancti Blasii Place: Italy Date: [12--]
55. University of Pennsylvania, LJS 426 Title: Canon of Medicine Author: Avicenna Place: Iran Date: [between 1375 and 1399?]
56. University of Pennsylvania, LJS 436 Title: Ḍawʼ al-sirāj Author: Maḥmūd ibn Abī Bakr Faraḍī Date: A.H. 723-747 (1323-1347)
57. University of Pennsylvania, LJS 437 Title: Circa instans Author: Matthaeus Platearius Place: Germany Date: [1400?]
58. University of Pennsylvania, LJS 439 Title: Book on the configuration of the orb Author: Dunash ibn Tamim Place: Seville Date: [13--?]
60. University of Pennsylvania, LJS 451 Title: Commentary on Doctrinale puerorum Place: France Date: [between 1279 and 1299]