Columbia subject headings:
Architecture--England--London.
London (England)--Description and travel.
Harvard subject headings:
Architecture--England--London
Architecture--England--London--History--19th century.
Architecture--England--London--History.
London (England)--Description and travel.
London (England)--Pictorial works.
Princeton subject headings:
Architecture, Modern--19th century--England--London.
London (England)--Pictorial works.