Abu Ahmad ibn Adi al-Jurjani: The trustworthy Nishaburi
Abu Abd Allah al-Hakim al-Nishaburi: Trustworthy and reliable
Ahmad ibn Hanbal: Trustworthy, and once quoted Ahmad as saying: One of the righteous
Ibn Abi Hatim al-Razi: Trustworthy and truthful
al-Daraqutni: Trustworthy and excellent