Columbia subject headings:
Harvard subject headings:
Modena (Italy)--History--Bombardment, 1944.
World War, 1939-1945--Aerial operations
World War, 1939-1945--Campaigns--Italy--Modena.
Princeton subject headings:
Modena (Italy)--Bombardment, 1944.
World War, 1939-1945--Aerial operations.
World War, 1939-1945--Campaigns--Italy--Modena.