Columbia subject headings:
Islam and state--Early works to 1800.
Islamic Empire--Kings and rulers--Early works to 1800.
Muslim scholars--Political activity--Early works to 1800.
Harvard subject headings:
Islam and state--Early works to 1800.
Islamic Empire--Kings and rulers--Early works to 1800.
Muslim scholars--Political activity--Early works to 1800.
Princeton subject headings:
Islam and state.
Shīʻah--Doctrines.