21. Columbia University Rare Book & Manuscript Library, MS Or 27 Title: Khulāṣat al-handasah Author: Mīr Ghulām Ḥusayn Raz̤avī Place: India Date: 17-- or 18--
22. Columbia University Rare Book & Manuscript Library, X8928 Sa16 Title: Būstān Author: Saadi Place: India Date: 1757.
23. Columbia University Rare Book & Manuscript Library, MS Or 40 Title: al-Jabr wa al-muqābalah Author: Al-Khwarizmi Place: India Date: 17--?