Columbia subject headings:
Harvard subject headings:
Faith and reason--Islam--Early works to 1800.
Islam--Doctrines--Early works to 1800
Islamic philosophy--Early works to 1800.
Muslim saints--Early works to 1800.
Sufism--Early works to 1800
Princeton subject headings:
Islam and reason--Early works to 1800.
Islam--Doctrines--Early works to 1800.
Islamic philosophy--Early works to 1800.
Muslim saints--Early works to 1800.
Sufism--Early works to 1800.