Columbia subject headings:
Child labor--France--History--19th century.
France--Social conditions--19th century.
Textile workers--France--History--19th century.
Villermé, Louis René, 1782-1863.
Working class--France--History--19th century.
Harvard subject headings:
Princeton subject headings:
Medicine, Industrial--France--History.
Physicians--France--Biography.
Villermé, Louis-René.