Columbia subject headings:
Hanbalites--Biography.
Ibn Ḥanbal, Aḥmad ibn Muḥammad, 780-855.
Harvard subject headings:
Hanbalites--Biography.
Ibn Ḥanbal, Aḥmad ibn Muḥammad, 780-855.
Princeton subject headings:
Ibn Ḥanbal, Aḥmad ibn Muḥammad, 780-855.