Abu Ahmad ibn Adi al-Jurjani: He narrates from trustworthy narrators with some inaccuracies, and some of his hadiths, although few, are not corroborated
Abu Hatim al-Razi: An old Sheikh whose hadiths are not well-known
Abu Hatim ibn Hibban al-Busti: He may have erred
Abu Dawud al-Sijistani: Weak
Abu Zur'ah al-Razi: Sheikh
Ibn Hajar al-'Asqalani: Lenient in hadith
al-Daraqutni: He is considered reliable
al-Dhahabi: Weak
Abd al-Baqi ibn Qan' al-Baghdadi: Weak