Columbia subject headings:
Muḥammad, Prophet, -632--Teachings.
ʻAlī ibn Abī Ṭālib, Caliph, approximately 600-661.
Harvard subject headings:
Princeton subject headings:
Muḥammad, Prophet, -632--Teachings.
ʻAlī ibn Abī Ṭālib, Caliph, approximately 600-661.