Columbia subject headings:
Genoa (Italy)--Description and travel--Exhibitions.
Harbors--Italy--Genoa--Exhibitions.
Harvard subject headings:
Genoa (Italy)--Description and travel--Exhibitions.
Harbors--Italy--Genoa--Exhibitions.
Harbors--Italy--Genoa--History--Exhibitions.
Princeton subject headings:
Genoa (Italy)--Description--Exhibitions.
Harbors--Italy--Genoa--History--Exhibitions.