Columbia subject headings:
Mahdi.
Mahdī, Muḥammad ibn al-Ḥasan, b. 869.
Shiites.
Harvard subject headings:
Mahdi.
Mahdī, Muḥammad ibn al-Ḥasan, 869-
Shiites
Princeton subject headings:
Mahdi.
Mahdī, Muḥammad ibn al-Ḥasan, 869-
Shiites.