Abu Dawud al-Sijistani: A righteous man, more established than his father
Abu Zar'ah al-Razi: A virtuous, trustworthy sheikh
Ibn Hajar al-Asqalani: Trustworthy
Al-Dhahabi: Trustworthy
Abd al-Baqi ibn Qan' al-Baghdadi: Righteous
Muhammad ibn Sa'd Katb al-Waqidi: Trustworthy, Truthful