Columbia subject headings:
Architecture, Domestic--Italy--Campagna di Roma.
Campagna di Roma (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Domestic--Italy--Campagna di Roma.
Architecture, Domestic--Italy--Frascati Region.
Campagna di Roma (Italy)--Buildings, structures, etc.
Villa Aldobrandini (Frascati, Italy)
Villa Lancellotti (Italy)
Villa Rufinella (Italy)
Princeton subject headings:
Architecture, Domestic--Italy--Campagna di Roma.
Campagna di Roma (Italy)--Buildings, structures, etc.