Columbia subject headings:
I︠A︡savi, Akhmed, 1103-1166--Congresses.
Sufism--Asia, Central--Congresses.
Harvard subject headings:
I͡Asavi, Akhmed, -1166--Congresses.
Sufism--Asia, Central--Congresses.
Princeton subject headings:
I︠A︡savi, Akhmed, 1103-1166--Congresses.
Sufism--Asia, Central--Congresses.