Columbia subject headings:
Islamic Empire--History--622-661.
Islamic Empire--History--661-750.
Harvard subject headings:
Ḥusayn ibn ʻAlī, -680
Islamic Empire--History--622-661
Islamic Empire--History--622-661--Historiography.
Islamic Empire--History--661-750
Kharijites--History.
ʻUthmān ibn ʻAffān, Caliph, -656
Princeton subject headings:
Ḥusayn ibn ʻAlī, -680
Ḥusayn ibn ʻAlī, -680.
Islamic Empire--History--622-661--Historiography.
Islamic Empire--History--622-661.
Islamic Empire--History--661-750.
Kharijites--History.
ʻUthmān ibn ʻAffān, Caliph, -656.