1. Princeton University, Islamic Manuscripts Garrett no. 308Y DS ID: DS26646 Title: Risālah ilá al-Bīrūnī ; Kitāb al-Mubāḥathāt ... [etc. Date: 1279
2. Newberry Library, VAULT folio Case MS 97 DS ID: DS17791 Title: Republic Author: Plato Place: Naples Date: between 1425 and 1475