Columbia subject headings:
Architecture--Philosophy.
Engineering--Philosophy.
France--Intellectual life--18th century.
Neoclassicism (Architecture)--France.
Harvard subject headings:
Architects--France--History--18th century.
Architecture, Modern--17th-18th centuries--France.
Architecture--Philosophy
Engineering--Philosophy.
Engineers--France--History--18th century.
France--Intellectual life--18th century.
Landscape architects--France--History--18th century.
Neoclassicism (Architecture)--France.
Princeton subject headings:
Architecture--France--18th century.
Building--France--History--18th century.
Engineering--France--History--18th century.