al-Imdad fi ma'rifat'uluw al-isnad - al-Basri,'Abd Allah ibn Salim, 1638 or 9-1721 or 2; al-Firyati, al-'Arabi al-Da'iz (al-Riyad : Dar al-Tawhid, 2006)
Keywords: Hadith -- Authorities -- Early works to 1800