Columbia subject headings:
Harvard subject headings:
Crime--England--London--History--19th century.
London (England)--Social conditions.
Poor--England--London--History--19th century
Prisons--England--London--History--19th century.
Princeton subject headings:
Crime--England--London--History--19th century.
London (England)--Social conditions.
Poor--England--London--History--19th century.
Prisons--England--London--History--19th century.