Columbia subject headings:
Architecture--Europe--History--17th century.
Architecture--Philosophy.
Functionalism (Architecture)--Europe.
Harvard subject headings:
Architecture--Europe--17th century.
Architecture--Europe--18th century.
Architecture--Philosophy
Functionalism (Architecture)--Europe.
Princeton subject headings:
Architecture, Modern--17th century.
Architecture, Modern--18th century.
Architecture--Europe.
Architecture--Philosophy.
Functionalism (Architecture)--Europe.