Columbia subject headings:
Architecture--New York (State)--New York--History--21st century.
City planning--New York (State)--New York.
New York (N.Y.)--Buildings, structures, etc.
World Trade Center Site (New York, N.Y.)
Harvard subject headings:
Architecture--Competitions--New York (State)--New York--History.
Architecture--New York (State)--New York--21st century.
City planning--New York (State)--New York
Memorials--New York (State)--New York.
New York (N.Y.)--Buildings, structures, etc.
World Trade Center Site (New York, N.Y.)
Princeton subject headings:
Architecture--New York (State)--New York--21st century.
City planning--New York (State)--New York.
New York (N.Y.)--Buildings, structures, etc.
World Trade Center Site (New York, N.Y.)