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