61. University of Pennsylvania, LJS 494 Title: Sphaera mundi Author: Johannes de Sacrobosco Place: Italy Date: [between 1425 and 1450]
62. 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?]
63. University of Pennsylvania, LJS 497 Title: Canones vel operationes in operando quadrante Place: Italy Date: [circa 1502]
64. University of Pennsylvania, LJS 498 Title: Tsurat ha-arets Author: Abraham bar Hiyya Place: Graz Date: [1542-1599?]
65. University of Pennsylvania, LJS 499 Title: Igeret orḥot ʻolam Author: Abraham ben Mordecai Farissol Place: Italy Date: [after 1525]
66. University of Pennsylvania, LJS 49 Title: Tashrīḥ-i Manṣūrī Author: Manṣūr Ibn-Muḥammad Ibn-Aḥmad Place: Persia Date: A.H. 813 (1411)
68. University of Pennsylvania, Oversize LJS 57 Title: Astronomical texts Place: Catalonia Date: [1361?]
69. University of Pennsylvania, Oversize LJS 64 Title: Novae theoricae planetarum Place: Padua Date: [between 1525 and 1575]
70. University of Pennsylvania, Oversize LJS 97 Title: Commentarius in Claudii Ptolemaei Harmonica Author: Porphyry Place: Spain Date: [between 1560 and 1580?]