Columbia subject headings:
Manufactures--New York Metropolitan Area.
New York (N.Y.)--Commerce.
New York Metropolitan Area--Manufactures.
Harvard subject headings:
Manufactures--New York (State)--New York.
Manufacturing industries--New York Metropolitan Area.
New York (N.Y.)--Commerce.
Princeton subject headings:
New York (N.Y.)--Commerce.
New York Metropolitan Area--Manufactures.