Columbia subject headings:
Buildings--New York (State)--New York.
New York (N.Y.)--Tours.
Harvard subject headings:
Architecture--New York (State)--New York--Guidebooks
Historic buildings--New York (State)--New York--Guidebooks.
New York (N.Y.)--Buildings, structures, etc.
New York (N.Y.)--Tours.
Walking--New York (State)--New York--Guidebooks
Princeton subject headings:
New York (N.Y.)--Buildings.
New York (N.Y.)--Tours.