Columbia subject headings:
Qādirīyah--Early works to 1800.
Sufism--Prayers and devotions--Early works to 1800.
Harvard subject headings:
Qādirīyah--Early works to 1800.
Sufism--Prayers and devotions--Early works to 1800.
Princeton subject headings:
Qādirīyah--Prayers and devotions--Early works to 1800.
Sufism--Prayers and devotions--Early works to 1800.