Abu Zur'ah ar-Razi: Trustworthy
Abu 'Abd Allah al-Hakim an-Naysaburi: Acceptable, Truthful
Abu Muhammad ibn Hazm az-Zahiri: Unknown
Ibn Hajar al-'Asqalani: Truthful
Authors of Tahrir Taqrib at-Tahdhib: Trustworthy, as for Ibn Hazm's deeming him unknown, it is not taken into account