Columbia subject headings:
Harvard subject headings:
Hadith (Shiites)--Authorities--Early works to 1800.
Hadith (Shiites)--Texts--Early works to 1800.
Mahdī, Muḥammad ibn al-Ḥasan, 869---Hadith.
Princeton subject headings:
Imams (Shiites)--Early works to 1800.
Mahdi--Early works to 1800.
Mahdī, Muḥammad ibn al-Ḥasan, 869-