Columbia subject headings:
I︠A︡savi, Akhmed, 1103-1166--Congresses.
Mystics--Islamic Empire--Congresses.
Poets, Kazakh--12th century--Congresses.
Sufism--Asia, Central--History--Congresses.
Harvard subject headings:
I︠A︡savi, Akhmed, -1166--Congresses.
Sufi poetry--Congresses.
Sufism--Asia, Central--History--Congresses.
Turkic poetry--Congresses.
Princeton subject headings: