Columbia subject headings:
Sufism--Doctrines--Early works to 1800.
Harvard subject headings:
Sufi poetry, Arabic--History and criticism--Early works to 1800.
Sufism in literature--Early works to 1800.
Sufism--Doctrines--Early works to 1800
Princeton subject headings:
Sufi poetry, Arabic--History and criticism--Early works to 1800.
Sufism in literature--Early works to 1800.
Sufism--Doctrines--Early works to 1800.