Abu Ahmad ibn Adi al-Jarjani: Rabiah ibn Qaltham does not have much Hadith
Ahmad ibn Hanbal: Salih (righteous)
Ahmad ibn Shuayb al-Nasa'i: There is nothing wrong with him, and once: He is not that strong
Ahmad ibn Salih al-Jili: Thiqah (reliable)
Ibn Hajar al-Asqalani: Saduq (truthful), he makes mistakes
Al-Dhahabi: Thiqah (reliable)
Muhammad ibn Sa'd Katb al-Waqidi: Shaykh (elderly) and he has Hadiths
Yahya ibn Ma'in: Thiqah (reliable)