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