Columbia subject headings:
Harvard subject headings:
Disaster relief--Italy--Florence--History--20th century--Pictorial works.
Floods--Italy--Florence--History--20th century--Pictorial works.
Florence (Italy)--History--1945---Pictorial works.
Princeton subject headings:
Disaster relief--Italy--Florence--History--20th century--Pictorial works.
Disaster relief--Italy--Florence.
Floods--Italy--Florence--History--20th century--Pictorial works.
Floods--Italy--Florence--Pictorial works.
Florence (Italy)--History--1945-
Florence (Italy)--History--1945---Pictorial works.