Columbia subject headings:
Poor--New York (State)--New York.
Tenement houses--New York (State)--New York.
Harvard subject headings:
City dwellers--New York (State)--New York.
Housing--New York (State)--New York
New York (N.Y.)
New York (N.Y.)--History--1865-1898
New York (N.Y.)--Social conditions--19th century.
New York (State)
Poor--New York (State)--New York
Tenement houses--New York (State)--New York
Princeton subject headings:
New York (N.Y.)--Poor.
Tenement houses--New York (State)--New York.