Columbia subject headings:
Poor--England--London--History--19th century.
Slums--England--London--History--19th century.
Urban renewal--England--London--History--19th century.
Harvard subject headings:
Poor--England--London--History--19th century
Slums--England--London--History--19th century.
Urban renewal--England--London--History--19th century.
Princeton subject headings:
Poor--England--London--History--19th century.
Slums--England--London--History--19th century.
Urban renewal--England--London--History--19th century.