Columbia subject headings:
Photography of water.
Springs--Italy--Romagna--Pictorial works.
Springs--Italy--Tuscany--Pictorial works.
Water--Italy--Romagna--Pictorial works.
Water--Italy--Tuscany--Pictorial works.
Harvard subject headings:
Princeton subject headings:
Photography of water.
Springs--Italy--Romagna--Pictorial works.
Springs--Italy--Tuscany--Pictorial works.
Water--Italy--Romagna--Pictorial works.
Water--Italy--Tuscany--Pictorial works.