ṬabaqÃÂt al-ḤanÃÂbilah () () is a biographical dictionary covering Hanbali scholars, written by Ibn Abi Ya'la (d. 1131 AD). The book starts from the life of the founder Ahmad ibn Hanbal himself. Later Al-Hafiz Ibn Rajab (d. 1393 AD) wrote a sequel to this book under the name Continuation of the history of the Hanbalites (Dhayl âÂÂalá ṬabaqÃÂt al-ḤanÃÂbilah). The Continuation covers those who died after 460 AH. Modern publishing may available in 4 volumes where two volumes is original book by Ibn Abi Ya'la and following two volumes from Ibn Rajab addition.