Columbia subject headings:
Communists--France--Saint-Etienne (Loire)--Biography.
Mayors--France--Saint-Etienne (Loire)--Biography.
Miners--France--Roche-la-Molière--Biography.
Sanguedolce, Joseph.
Strikes and lockouts--Coal mining--France--History--20th century.
Harvard subject headings:
Communists--France--Saint-Etienne (Loire : Department)--Biography.
Communists--France--Saint-Etienne (Loire)--Biography.
Mayors--France--Saint-Etienne (Loire : Department)--Biography.
Mayors--France--Saint-Etienne (Loire)--Biography.
Miners--France--Biography.
Miners--France--Roche-la-Molière--Biography.
Sanguedolce, Joseph.
Strikes and lockouts--Coal mining--France--History--20th century.
Princeton subject headings:
Communism--France--History--20th century.
Communists--France--Biography.
Mayors--France--Saint-Étienne (Loire)--Biography.
Saint-Étienne (Loire, France)--Politics and government.
Sanguedolce, Joseph.
Working class--France--Political activity--History--20th century.