Columbia subject headings:
Harvard subject headings:
Architecture, Domestic--Italy--Filottrano.
Art, Italian--Italy--Filottrano.
Filottrano (Italy)--Buildings, structures, etc.
Historic buildings--Italy--Filottrano.
Princeton subject headings:
Architecture, Domestic--Italy--Filottrano.
Art, Italian--Italy--Filottrano.
Filottrano (Italy)--Buildings, structures, etc.
Historic buildings--Italy--Filottrano.