11. Columbia University Rare Book & Manuscript Library, MS Or 1 Title: Zīj-i sulṭānī Author: Ulugh Beg Place: Iran Date: 1836.
12. Columbia University Rare Book & Manuscript Library, MS Or 288 Title: Bīst bāb dar maʻrifat-i usṭurlāb Author: Nasir al-Din al-Tusi Date: 17--? - 18--?