Columbia subject headings:
Architecture--Italy--Genoa--History.
Genoa (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Italy--Genoa--Guidebooks.
Architecture--Italy--Genoa--History.
Genoa (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Italy--Genoa--History.
Genoa (Italy)--Buildings, structures, etc.