Columbia subject headings:
Architecture--Iran--Congresses.
City planning--Iran--Congresses.
Urbanization--Iran--Congresses.
Harvard subject headings:
Architecture--Iran--Congresses.
City planning--Iran--Congresses.
Iran--Antiquities--Congresses.
Urbanization--Iran--Congresses.
Princeton subject headings:
Architecture--Iran--Congresses.
City planning--Iran--Congresses.
Urbanization--Iran--Congresses.