Columbia subject headings:
Harvard subject headings:
City planning--Italy--Veneto--Congresses.
Regional planning--Italy--Veneto--Congresses.
Rural development--Italy--Veneto--Congresses.
Veneto (Italy)--History, Local--Congresses.
Veneto (Italy)--Local history--Congresses.
Princeton subject headings:
Veneto (Italy)--History, Local--Historiography--Congresses.