Columbia subject headings:
Buildings, Prefabricated.
Plazas--Italy--Designs and plans.
Plazas--Italy--History.
Temporary housing.
Harvard subject headings:
City planning--Italy--History
Plazas--Italy--Designs and plans.
Plazas--Italy--History.
Princeton subject headings:
Plazas--Italy--Designs and plans.
Plazas--Italy--History.