Columbia subject headings:
Architecture--Composition, proportion, etc.
Architecture--France--History--19th century.
Architecture--France.
Harvard subject headings:
Architecture, Modern--19th century--France.
Architecture--Composition, proportion, etc.
Architecture--France
Architecture--France--History--19th century
Princeton subject headings:
Architecture, Modern--19th century--France.
Architecture--Composition, proportion, etc.
Architecture--France.