Abu Hatim al-Razi: The most knowledgeable of the people in the hadith of Ibn 'Aun
Abu Zur'a al-Razi: Trustworthy
Ahmad ibn Hanbal: From the people of trustworthiness and truthfulness, and once: The most knowledgeable of the people in the hadith of Ibn 'Aun and the most trustworthy of them
Ahmad ibn Shu'aib al-Nasa'i: Trustworthy
Ibn Hajar al-'Asqalani: Trustworthy and Precise
Sulaiman ibn Harb al-Azdi: He met al-Ma'mun and was to Ibn 'Aun like Hammad was to Ayyub
Muhammad ibn Sa'd كاتب الواقدي: Trustworthy
Yahya ibn Ma'in: Trustworthy, the most knowledgeable of the people in the hadith of Ibn 'Aun