Columbia subject headings:
Strikes and lockouts--France--History--19th century.
Strikes and lockouts--France--History--20th century.
Harvard subject headings:
Strikes and lockouts--France--History--19th century.
Strikes and lockouts--France--History--20th century.
Strikes and lockouts--France--History.
Princeton subject headings:
Strikes and lockouts--France--History--19th century.
Strikes and lockouts--France--History--20th century.