Columbia subject headings:
Harvard subject headings:
Chemical workers--France--Saint-Fons--History--20th century.
Manufactures des glaces & produits chimiques de Saint-Gobain, Chauny & Cirey--History--20th century.
Princeton subject headings:
Chemical workers--France--Saint-Fons--History--20th century.
Saint-Gobain, s.a.--History--20th century.