Columbia subject headings:
Architectural firms--England--London.
Architecture--England--London--History--20th century.
DEGW London Limited.
Harvard subject headings:
Architectural firms--England--London.
Architecture, Modern--20th century--Europe.
Architecture, Modern--20th century--Great Britain.
DEGW London Limited.
Princeton subject headings:
Architectural firms--England--London.
Architecture, Modern--20th century--England--London.
DEGW London Limited.