Columbia subject headings:
Genoa (Italy)--Buildings, structures, etc.
Mansions--Italy--Genoa.
Palaces--Italy--Genoa.
Palazzo ducale (Genoa, Italy)
Harvard subject headings:
Architecture, Domestic--Italy--Genoa.
Architecture--Italy--Genoa.
Genoa (Italy)--Buildings, structures, etc.--Exhibitions.
Historic buildings--Italy--Genoa.
Princeton subject headings:
Genoa (Italy)--Buildings, structures, etc.
Mansions--Italy--Genoa.
Palaces--Italy--Genoa.
Palazzo ducale (Genoa, Italy)