Columbia subject headings:
Authority--Religious aspects--Islam--Early works to 1800.
Islam--Doctrines--Early works to 1800.
Islamic law--Sources.
Shīʻah--Doctrines--Early works to 1800.
Taqlīd--Early works to 1800.
Harvard subject headings:
Princeton subject headings:
Authority--Religious aspects--Islam--Early works to 1800.
Islam--Doctrines--Early works to 1800.
Islamic law--Sources.
Shīʻah--Doctrines--Early works to 1800.
Taqlīd--Early works to 1800.