Columbia subject headings:
City planning--Italy--Rome.
Landscape architecture--Italy--Rome.
Landscape gardening--Italy--Rome.
Rome (Italy)--Buildings, structures, etc.
Harvard subject headings:
City planning--Environmental aspects--Italy--Rome.
Gardens--Italy--Rome.
Landscape architecture--Italy--Rome.
Landscape gardening--Italy--Rome.
Public spaces--Italy--Rome.
Princeton subject headings:
City planning--Italy--Rome.
Landscape architecture--Italy--Rome.
Landscape gardening--Italy--Rome.
Rome (Italy)--Buildings, structures, etc.