291. Columbia University Rare Book & Manuscript Library, MS Or 34 Title: Risālah fī al-barāhīn ʻalá masāʼil al-jabr wa-al-muqābalah Author: Omar Khayyám Place: Lahore Date: 17--?
292. Columbia University Rare Book & Manuscript Library, MS Or 49 Title: Elements Author: Euclid Date: between 1830 and 1899?
293. Columbia University Rare Book & Manuscript Library, MS Or 141 Title: Qurʼan Place: Egypt Date: between 1750 and 1799?
296. Columbia University Rare Book & Manuscript Library, MS Or 184 Title: Devotional book Place: Turkey Date: 17--?
297. Columbia University Rare Book & Manuscript Library, MS Or 225 Title: Zād al-maʻād Author: Muhammad Baqir Majlisi Place: Iran Date: 1800.
298. Columbia University Rare Book & Manuscript Library, MS Or 231 Title: Qurʼan Place: Turkey Date: 1812-13.
299. Columbia University Rare Book & Manuscript Library, MS Or 253 Title: Qurʼan Place: Iran Date: 17--?-18--?
300. Columbia University Rare Book & Manuscript Library, MS Or 309 Title: Ḥafīrat al-taʼsīs min taʼlīf al-Qass Alīʻāzar Date: 15--?-16--?