Columbia subject headings:
Fountains--Italy--Sicily--Pictorial works.
Fountains--Italy--Sicily.
Harvard subject headings:
Fountains--Italy--Sicily--Pictorial works.
Fountains--Italy--Sicily.
Monuments--Italy--Sicily--Pictorial works.
Monuments--Italy--Sicily.
Sicily (Italy)--Buildings, structures, etc.--Pictorial works.
Princeton subject headings:
Fountains--Italy--Sicily--Pictorial works.
Monuments--Italy--Sicily--Pictorial works.
Sicily (Italy)--Buildings, structures, etc.--Pictorial works.