Columbia subject headings:
Architecture, Domestic--Italy--Genoa.
Architecture--Italy--Genoa.
Genoa (Italy)--Buildings, structures, etc.
Palaces--Italy--Genoa.
Harvard subject headings:
Art, Italian--Italy--Genoa.
Genoa (Italy)--History.
Mansions--Italy--Genoa.
Princeton subject headings:
Architecture, Domestic--Italy--Genoa.
Architecture--Italy--Genoa.
Genoa (Italy)--Buildings, structures, etc.
Palaces--Italy--Genoa.