Columbia subject headings:
New York (N.Y.)--Buildings, structures, etc.
Tenement houses--New York (State)--New York.
Harvard subject headings:
Lower East Side Tenement National Historic Site (New York, N.Y.)--History.
New York (N.Y.)--Buildings, structures, etc.
New York (N.Y.)--Buildings, structures, etc.--History.
Tenement houses--New York (State)--New York
Tenement houses--New York (State)--New York--History.
Princeton subject headings:
New York (N.Y.)--Buildings, structures, etc.
Tenement houses--New York (State)--New York.