Columbia subject headings:
Harvard subject headings:
Khalīl ibn Aḥmad, 718?-786?
Linguists--Islamic Empire--Biography.
Princeton subject headings:
Jaʻfar al-Ṣādiq, 702?-765 or 766.
Khalīl ibn Aḥmad, 718?-786?
Linguists--Islamic Empire--Biography.