Columbia subject headings:
Avicenna, 980-1037. Ishārāt wa-al-tanbīhāt.
Mysticism--Islam.
Sufism.
Harvard subject headings:
Avicenna, 980-1037--Views on Sufism.
Avicenna, 980-1037. Ishārāt wa-al-tanbīhāt.
Sufism--Early works to 1800
Princeton subject headings:
Avicenna, 980-1037.
Avicenna, 980-1037. Ishārāt wa-al-tanbīhāt.
Sufism--Early works to 1800.