Columbia subject headings:
Housing policy--England--London--History.
Housing--England--London--History.
London (England)--Social policy.
Slums--England--London--History.
Harvard subject headings:
Housing policy--England--London--History.
Housing--England--London--History.
London (England)--Social policy--History.
Slums--England--London--History.
Princeton subject headings:
Housing--England--London--History.
London (England)--Social conditions.
Slums--England--London.