Columbia subject headings:
Harvard subject headings:
ʻAlī ibn Abī Ṭālib, Caliph, approximately 600-661--Hadith.
Princeton subject headings:
Mahdī, Muḥammad ibn al-Ḥasan, 869-
Sermons.
Sharīf al-Raḍī, Muḥammad ibn al-Ḥusayn, 969 or 70-1016. Nahj al-balāghah.
ʻAlī ibn Abī Ṭālib, Caliph, approximately 600-661--Hadith.
ʻAlī ibn Abī Ṭālib, Caliph, approximately 600-661--Sermons.