1. Columbia University Rare Book & Manuscript Library, MS Or 33 DS ID: DS6487 Title: Khulāṣat al-ḥisāb Author: Bahāʾ al-dīn al-ʿĀmilī Place: Iran Date: between 1650 and 1843?
2. Columbia University Rare Book & Manuscript Library, MS Or 47 DS ID: DS6494 Title: Risālah bar usṭurlāb Place: Iran Date: 1650-1800