Columbia subject headings:
Industrial relations--France--History--20th century.
Industrial sociology--France--History--20th century.
Labor unions--France--History--20th century.
Working class--France--History--20th century.
Harvard subject headings:
France--Social conditions.
Social conflict.
Wages--France.
Working class--France
Princeton subject headings:
Industrial relations--France--History--20th century.
Industrial sociology--France--History--20th century.
Labor unions--France--History--20th century.
Working class--France--History--20th century.