Columbia subject headings:
City planning--Research--Italy--Venice--Congresses.
City planning--Social aspects--Italy--Venice--Congresses.
Sustainable urban development--Italy--Venice--Congresses.
Harvard subject headings:
City planning--Research--Italy--Venice--Congresses.
City planning--Social aspects--Italy--Venice--Congresses.
Sustainable urban development--Italy--Venice--Congresses.
Princeton subject headings: