Abu Abd Allah al-Hakim al-Naysaburi: One of the senior Shaykhs and scholars of Marw and one of the closest people to Ibn al-Mubarak
Ibn Hajar al-Asqalani: Thiqah (Reliable)
al-Daraqutni: Not strong
al-Dhahabi: Thiqah (Reliable)
Abd al-Baqi ibn Qani' al-Baghdadi: Thiqah (Reliable)
Muhammad ibn Sa'd Katab al-Waqidi: Thiqah (Reliable)