Columbia subject headings:
Harvard subject headings:
Ḥasan ibn ʻAlī, -approximately 669--Hadith.
Ḥusayn ibn ʻAlī, -680--Hadith.
Princeton subject headings:
Ḥasan ibn ʻAlī, -approximately 669--Hadith.
Ḥusayn ibn ʻAlī, -680--Hadith.