Columbia subject headings:
Architecture--England--London--History.
City planning--England--London--History--19th century.
London (England)--History--1800-1950.
Harvard subject headings:
Architecture--England--London--History.
City planning--England--History.
City planning--England--London--History--19th century.
London (England)--History--1800-1950.
Princeton subject headings:
Architecture--England--London--History.
City planning--England--London--History--19th century.
London (England)--History--1800-1950.