1. Princeton University, Islamic Manuscripts Garrett no. 4568Y DS ID: DS28173 Title: Philosophical text and Text on logic Author: Avicenna Date: 1364? or 1558?
2. Princeton University, Islamic Manuscripts Garrett no. 320B DS ID: DS28297 Title: Philosophical text and Text on logic Author: Nasir al-Din al-Tusi Date: 1456