Columbia subject headings:
Harvard subject headings:
Ḥusayn ibn ʻAlī, -680
Prayer--Islam
Shīʻah--Doctrines
Princeton subject headings:
Ḥusayn ibn ʻAlī, -680.
Imams (Shiites)
Prayer--Islam.
Shīʻah--Doctrines.
Tenth of Muḥarram.