Columbia subject headings:
Architecture and society--Congresses.
City planning--Congresses.
City planning--Italy--Pistoia--Congresses.
Harvard subject headings:
Architecture and society--Congresses
City planning--Congresses
City planning--Italy--Pistoia--Congresses.
Princeton subject headings:
Architecture and society--Congresses.
City planning--Congresses.
City planning--Italy--Pistoia--Congresses.