Columbia subject headings:
God--Worship and love--Early works to 1800.
Sufism--Early works to 1800.
Harvard subject headings:
Love--Religious aspects--Islam--Early works to 1800.
Mysticism--Islam--Early works to 1800.
Sufism--Early works to 1800
Princeton subject headings:
Love--Religious aspects--Islam--Early works to 1800.
Mysticism--Islam--Early works to 1800.
Sufism--Early works to 1800.