Columbia subject headings:
Anthracite coal industry--France--La Mure--History--20th century.
Coal miners--France--La Mure--Biography.
Mauberret, Louis.
Miners--Labor unions--France--La Mure--History--20th century.
Harvard subject headings:
Anthracite coal industry--France--La Mure--History--20th century.
Coal miners--France--La Mure--Biography.
Mauberret, Louis.
Miners--Labor unions--France--La Mure--History--20th century.
Princeton subject headings: