41. Columbia University Rare Book & Manuscript Library, MS Or 297 Title: Masāyil-i jabr va muqābalah Author: Qāz̤ī Muḥammad Aʻlá Place: India Date: 18--?].
42. Columbia University Rare Book & Manuscript Library, MS Or 282 Title: Tarjumah-i kitāb-i Taḥrīr-i Uqlīdus-i dar uṣūl-i handasah va ḥisāb Author: Qutb al-Din al-Shirazi Date: 1378.
43. Columbia University Rare Book & Manuscript Library, MS Or 344 Title: Rubaiyat Author: Omar Khayyám Place: Isfahan Date: 1688.
44. Columbia University Rare Book & Manuscript Library, MS Or 368 - FOLIO Title: Khamsah Author: Amīr Khusraw Dihlavī Place: Iran Date: between 1568 and 1571.
45. Columbia University Rare Book & Manuscript Library, MS Or 374 Title: Bahār-i dānish Author: Shaikh Inayat Allah Kamboh Place: India Date: 17--?
46. Columbia University Rare Book & Manuscript Library, MS Or 444 Title: Mavāhib-i ilāhī dar tārīkh-i Āl-i Muẓaffar Author: Muín-ad-Din Place: Iran Date: 1431.
47. Columbia University Rare Book & Manuscript Library, MS Or 454 - FOLIO Title: Ḥamlah-i Ḥaydarī Author: Muhammad Rafīʻ ibn Muḥammad al-Mashhadī Bāz̲il Place: India Date: 1831 or 1832-1839.
48. Columbia University Rare Book & Manuscript Library, MS Or 461 Title: Sharḥ-i Bīst bāb dar maʻrifat-i asṭurlāb Author: ʿAbd-al-ʿAlī Ibn-Muḥammad al Birǧandī Date: 17--?-1854
49. Columbia University Rare Book & Manuscript Library, MS Or 462 Title: On accounting and commissions Place: Iran Date: 1575-1824.
50. Columbia University Rare Book & Manuscript Library, MS Or 475 Title: Haft awrang Author: Jami Date: 17--?