1. Princeton University, Islamic Manuscripts Garrett no. 722H DS ID: DS2896 Title: Jāmiʻ al-uṣūl fī aḥādīth al-Rasūl Author: Majd ad-Dīn Ibn Athir Date: 14th century?
2. Princeton University, Islamic Manuscripts Garrett no. 1785Y DS ID: DS17101 Title: Jāmiʻ al-uṣūl li-aḥādīth al-Rasūl Author: Majd ad-Dīn Ibn Athir Date: 1394