41. University of Pennsylvania, LJS 460 Title: Elements Author: Euclid Place: Egypt Date: A.H. 502 (1108-1109)
42. 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)
43. 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?]
44. University of Pennsylvania, LJS 498 Title: Tsurat ha-arets Author: Abraham bar Hiyya Place: Graz Date: [1542-1599?]
45. University of Pennsylvania, LJS 49 Title: Tashrīḥ-i Manṣūrī Author: Manṣūr Ibn-Muḥammad Ibn-Aḥmad Place: Persia Date: A.H. 813 (1411)
46. University of Pennsylvania, Oversize LJS 97 Title: Commentarius in Claudii Ptolemaei Harmonica Author: Porphyry Place: Spain Date: [between 1560 and 1580?]
47. University of Pennsylvania, Ms. Codex 16 Title: Guerrin meschino Author: Andrea da Barberino Place: Italy Date: 1472.