1. University of Pennsylvania, LJS 286 DS ID: DS604 Title: Taḥrīr Uṣūl al-handasah wa-al-ḥisāb. Author: Nasir al-Din al-Tusi Date: A.H. 890 (1485)
2. Princeton University, Islamic Manuscripts New Series no. 748 DS ID: DS13451 Title: Sharḥ-i S̲amarah-i Baṭlamyūs Author: Nasir al-Din al-Tusi Date: 1282-1529