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