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 43 Title: Poetry Author: Qasem-e Anvar Place: Iran Date: [between 1550 and 1599]
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 450 Title: Compendium of legal texts Place: Italy Date: 1450-1499
45. University of Pennsylvania, LJS 455 Title: Fawāʼid al-ḥabīb. Zinjār al-ḥukamāʼ Author: Abu ʻAbd Allāh Muḥammad ibn al-Bahāʼ Place: Egypt Date: [1400?]
46. University of Pennsylvania, LJS 459 Title: Secretum secretorum Place: Mosul Date: [between 1193 and 1211]
47. 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)
48. University of Pennsylvania, Oversize LJS 48 Title: Instrumenta feudorum castri Sone : cum privilegio comitatus in personam Don Ioannis et fratrum ac descendentium de Faelis. Place: Verona Date: 1504-1530.
49. University of Pennsylvania, LJS 495 Title: Kharīdat al-ʻajāʼib wa farīḍat al-gharāʼib Author: Sirāj al-Dīn Abū Ḥafṣ ʻUmar Ibn al-Wardī Date: [between 1450 and 1550?]
50. University of Pennsylvania, LJS 498 Title: Tsurat ha-arets Author: Abraham bar Hiyya Place: Graz Date: [1542-1599?]