2. University of Pennsylvania, LJS 398 Title: Maqālah fī khalq al-insān Author: Saʻīd ibn Hibat Allāh ibn al-Ḥusayn Place: Syria Date: A.H. 689 (1290)
3. University of Pennsylvania, LJS 405 Title: Tasʹhīl al-naẓar wa-taʻjīl al-ẓafar Author: Al-Mawardi Place: Egypt Date: [1250-1350?]
4. 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)
5. Columbia University Rare Book & Manuscript Library, MS Or 306 Title: Kitāb al-mutawassiṭāt Date: 1265-1371?
6. Columbia University Rare Book & Manuscript Library, MS Or 330 - FOLIO Title: Qurʼan Date: 12--? -13--?
8. Columbia University Rare Book & Manuscript Library, X8937 Is1 Title: Radd ʻalá Abī Bakr al-Khaṭīb al-Baghdādī Author: Al-Mu'azzam Isa Date: 1226.