Columbia subject headings:
Harvard subject headings:
Art, English--England--London.
Art, Modern--19th century--England--London.
Art, Modern--20th century--England--London.
Great Britain--History--Pictorial works.
Great Britain. Parliament. House of Lords.
Princeton subject headings:
Art, English--England--London--19th century.
Art, English--England--London--20th century.
Great Britain--History--Pictorial works.
Great Britain. Parliament. House of Lords