Columbia subject headings:
France--Economic conditions--21st century.
France--Social conditions--21st century.
Middle class--France--Economic conditions.
Middle class--France--Social conditions.
Harvard subject headings:
France--Economic conditions--21st century.
France--Social conditions--21st century.
Middle class--France--Economic conditions--History--20th century.
Middle class--France--Economic conditions.
Middle class--France.
Princeton subject headings: