Columbia subject headings:
Harvard subject headings:
Abbasids.
Ibn al-Jarrāḥ, ʻAlī ibn ʻĪsá, 859-945 or 946.
Islamic Empire--History--750-1258.
Islamic Empire--History.
Viziers--Islamic Empire--Biography.
Princeton subject headings:
Islamic Empire--History.
ʻAlī ibn ʻĪsá, Abbāsid wazīr, 859-946.