51. University of Pennsylvania, LJS 460 Title: Elements Author: Euclid Place: Egypt Date: A.H. 502 (1108-1109)
52. University of Pennsylvania, LJS 462 Title: Algorismus Author: Alexander of Villedieu Place: Spain Date: [between 1300 and 1350]
53. University of Pennsylvania, LJS 463 Title: Medical texts Author: Heinrich Stegmüller Place: Buchau Date: 1443.
54. University of Pennsylvania, LJS 466 Title: Laṭāʼif al-kalām fī aḥkām al-aʻwām Author: Muḥammad Ḥusaynī Date: A.H. 852 (1448)
55. University of Pennsylvania, LJS 469 Title: Canon of Medicine Author: Avicenna Place: Italy Date: [circa 1490]
57. University of Pennsylvania, LJS 472 Title: Ḥeshbon mahalkhot ha-kokhavim Author: Abraham bar Hiyya Place: Spain Date: [14--]
58. University of Pennsylvania, Oversize LJS 473 Title: L'arte del navegare Place: Venice Date: 1464-1465.
59. University of Pennsylvania, LJS 476 Title: Yesod ʻolam Author: Isaac Israeli ben Joseph Place: Spain Date: [1460?]
60. University of Pennsylvania, Oversize LJS 478 Title: Kitāb fī istīʻāb al-wujūh al-mumkinah fī ṣanʻat al-asṭurlāb Author: Al-Biruni Date: A.H. 625 (1228)