Columbia subject headings:
City planning--Italy--Marino--Exhibitions.
Colonna family--Exhibitions.
Urban beautification--Italy--Marino--Exhibitions.
Harvard subject headings:
City planning--Italy--Marino--Exhibitions.
Colonna family--Exhibitions.
Urban beautification--Italy--Marino--Exhibitions.
Princeton subject headings:
City planning--Italy--Marino--Exhibitions.
Colonna family--Homes--Italy--Marino--Exhibitions.
Urban beautification--Italy--Marino--Exhibitions.