Columbia subject headings:
London (England)--Description and travel.
London (England)--Social life and customs.
Poor--England--London.
Harvard subject headings:
London (England)--Description and travel.
London (England)--Social life and customs.
Poor--England--London
Princeton subject headings:
London (England)--Description and travel.
London (England)--Poor.
London (England)--Social life and customs.