Columbia subject headings:
Labor movement--Canada--History.
Labor unions--Canada--History.
Strikes and lockouts--Canada--History.
Working class--Canada--History.
Harvard subject headings:
Labor movement--Canada--History.
Labor unions--Canada--History
Strikes and lockouts--Canada--History.
Working class--Canada--History.
Princeton subject headings:
Labor movement--Canada--History.
Working class--Canada--History.