Columbia subject headings:
Harvard subject headings:
Aluminum industry and trade--France--Languedoc-Roussillon--History.
Aluminum mines and mining--France--Languedoc-Roussillon--History.
Aluminum--France--Languedoc-Roussillon--Metallurgy--History.
Princeton subject headings:
Aluminum industry and trade--France--Languedoc-Roussillon--History.
Aluminum mines and mining--France--Languedoc-Roussillon--History.
Aluminum--France--Languedoc-Roussillon--Metallurgy--History.