Columbia subject headings:
Industrial hygiene--France--History.
Industrial sociology--France--History.
Quality of work life--France--History.
Work environment--France--History.
Harvard subject headings:
Industrial hygiene--France--History--19th century.
Industrial hygiene--France--History--20th century.
Princeton subject headings:
Industrial hygiene--France--History--19th century.
Industrial hygiene--France--History--20th century.