Columbia subject headings:
Harvard subject headings:
Iranian languages--Congresses.
Iranian philology--Study and teaching--Sweden--Uppsala--Congresses.
Language and culture--Congresses.
Languages in contact--Congresses.
Turkic languages--Congresses
Turkic philology--Study and teaching--Sweden--Uppsala--Congresses.
Princeton subject headings:
Languages in contact--Iran--History--Congresses.
Turkic languages--Iran--History--Congresses.