TY - BOOK AU - al-Basri,'Abd Allah ibn Salim AU - al-Firyati,al-'Arabi al-Da'iz TI - al-Imdad fi ma'rifat'uluw al-isnad SN - 9960973131 PY - 2006/// CY - al-Riyad PB - Dar al-Tawhid KW - Hadith KW - Authorities KW - Early works to 1800 ER -