Columbia subject headings:
Harvard subject headings:
Imams (Shiites)
Mahdi.
Mahdism.
Mahdī, Muḥammad ibn al-Ḥasan, 869-
Princeton subject headings:
Imams (Shiites)
Islamic eschatology.
Mahdi.
Mahdī, Muḥammad ibn al-Ḥasan, 869-