Columbia subject headings:
Harvard subject headings:
Disasters--New York (State)--New York--Pictorial works.
New York (N.Y.)--Pictorial works
New York (N.Y.). Police Department
Rescue work--New York (State)--New York--Pictorial works.
September 11 Terrorist Attacks, 2001--Pictorial works
Princeton subject headings:
September 11 Terrorist Attacks, 2001--Pictorial works.