Columbia subject headings:
Islamic philosophy--Congresses.
Sufi poetry--History and criticism--Congresses.
Sufism--Congresses.
Harvard subject headings:
Sufi poetry--History and criticism--Congresses.
Sufism--Congresses.
Princeton subject headings:
Islamic philosophy--Congresses.
Sufi poetry--History and criticism--Congresses.
Sufism--Congresses.