Columbia subject headings:
Islamic law--Early works to 1800.
Shīʻah.
Ṭūsī, Muḥammad ibn al-Ḥasan, 995-1067? Khilāf.
Harvard subject headings:
Islamic law--Early works to 1800
Shīʻah
Ṭūsī, Muḥammad ibn al-Ḥasan, 995-1067? Khilāf.
Princeton subject headings:
Islamic law--Early works to 1800.
Shiites.
Ṭūsī, Muḥammad ibn al-Ḥasan, 995-1067? Khilāf.