Columbia subject headings:
Harvard subject headings:
Cities and towns--Italy--History--Congresses.
City planning--Italy--History--Congresses.
Inner cities--Italy--History--Congresses.
Social structure--Italy--History--Congresses.
Sociology, Urban--Italy--History--Congresses.
Princeton subject headings:
Cities and towns--Italy--History--Congresses.
City planning--Italy--History--Congresses.
Inner cities--Italy--History--Congresses.
Social structure--Italy--History--Congresses.
Sociology, Urban--Italy--History--Congresses.