Columbia subject headings:
Hanbalites--Early works to 1800.
Islam--Customs and practices--Early works to 1800.
Islam--Doctrines--Early works to 1800.
Islamic law--Early works to 1800.
Harvard subject headings:
Fatwas--Early works to 1800
Hanbalites--Early works to 1800
Islam--Customs and practices--Early works to 1800
Islam--Doctrines--Early works to 1800
Islamic law--Sources
Islamic law--Sources--Early works to 1800
Princeton subject headings:
Fatwas--Early works to 1800.
Hanbalites--Early works to 1800.
Islam--Customs and practices--Early works to 1800.
Islam--Doctrines--Early works to 1800.
Islamic law--Sources--Early works to 1800.
Islamic law--Sources.