631. University of Pennsylvania, LJS 497 Title: Canones vel operationes in operando quadrante Place: Italy Date: [circa 1502]
632. University of Pennsylvania, LJS 498 Title: Tsurat ha-arets Author: Abraham bar Hiyya Place: Graz Date: [1542-1599?]
633. University of Pennsylvania, LJS 499 Title: Igeret orḥot ʻolam Author: Abraham ben Mordecai Farissol Place: Italy Date: [after 1525]
634. University of Pennsylvania, LJS 49 Title: Tashrīḥ-i Manṣūrī Author: Manṣūr Ibn-Muḥammad Ibn-Aḥmad Place: Persia Date: A.H. 813 (1411)
636. University of Pennsylvania, Oversize LJS 501 Title: Bāriʻ fī aḥkām al-nujūm Author: Haly Abenragel Place: England Date: [approximately 1320]
637. University of Pennsylvania, LJS 502 Title: De mysteriis Author: Ambrose Date: between 1075 and 1125?
639. University of Pennsylvania, LJS 54 Title: Cartulary Author: Magister Contarinus Place: Padua Date: [between 1227 and 1237]