41. 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)
42. University of Pennsylvania, LJS 444 Title: Ḥall al-Mūjiz Author: Muḥammad ibn Muḥammad Aqsarāʼī Date: A.H. 884 (1480)
43. University of Pennsylvania, Oversize LJS 447 Title: Masālik al-abṣār fī mamālik al-amṣār Author: Chihab al-Umari Place: Aleppo Date: 1710.
44. University of Pennsylvania, Oversize LJS 453 Title: Commentary on Aristotle Author: Averroes Place: Germany Date: 1446.
45. University of Pennsylvania, LJS 457 Title: Logica parva Author: Paul of Venice Place: Perugia Date: 1475.
46. University of Pennsylvania, LJS 458 Title: Abscondita naturae : collecta ab diversis philosophorum et medicorum voluminibus / Author: Marco Girolamo Vida Place: Cremona Date: 1545.
47. University of Pennsylvania, LJS 463 Title: Medical miscellany Author: Heinrich Stegmüller Place: Buchau Date: 1443.
48. University of Pennsylvania, LJS 464 Title: Taḥṣīl al-munā fī sharḥ Talkhīṣ Ibn al-Bannāʼ Author: Abū ʻAbd al-Raḥmān Yaʻqūb ibn Ayyūb Mawāhidī Place: Granada Date: A.H. 849 (1445)
49. University of Pennsylvania, LJS 466 Title: Laṭāʼif al-kalām fī aḥkām al-aʻwām Author: Muḥammad Ḥusaynī Date: A.H. 852 (1448)