Columbia subject headings:
Bridges--New York (State)--New York.
Bridges--New York (State)--Spuyten Duyvil (New York)
Henry Hudson Memorial Park (New York, N.Y.)
Henry Hudson Parkway (New York, N.Y.)--Pictorial works.
Harvard subject headings:
Bridges--New York (State)--New York
Henry Hudson Parkway (New York, N.Y.)--Guidebooks.
Princeton subject headings: