1. Princeton University, Islamic Manuscripts Garrett no. 308Y DS ID: DS26646 Title: Risālah ilá al-Bīrūnī ; Kitāb al-Mubāḥathāt ... [etc. Date: 1279
2. University of Pennsylvania, Ms. Codex 922 DS ID: DS1727 Title: Monocordium Place: Italy Date: 1450?