Columbia subject headings:
Labor injunctions--United States.
Labor unions--Law and legislation--United States.
Strikes and lockouts--Law and legislation--United States.
Harvard subject headings:
Labor injunctions--United States.
Labor unions--Law and legislation--United States
Strikes and lockouts--Law and legislation--United States
Princeton subject headings:
Labor injunctions--United States.
Labor unions--United States.
Strikes and lockouts--United States.