Columbia subject headings:
Architectural drawing--Great Britain--20th century.
Functionalism (Architecture)--Great Britain--Designs and plans.
Royal Institute of British Architects.
Harvard subject headings:
Architectural drawing--20th century--Great Britain.
Architecture, Modern--20th century--Great Britain.
Royal Institute of British Architects
Princeton subject headings:
Architecture, Modern--20th century--England.
Architecture--England--Designs and plans.
Architecture--England.