Columbia subject headings:
Islam--Customs and practices.
Islamic heresies.
Islamic sects.
Taqlīd.
Harvard subject headings:
Islam--Customs and practices
Islamic heresies.
Islamic sects.
Taqlīd.
Princeton subject headings:
Islam--Customs and practices.
Islam--Doctrines.
Islamic heresies.
Islamic sects.
Taqlīd.