Columbia subject headings:
Plant shutdowns--Law and legislation--United States.
Plant shutdowns--United States.
Plant shutdowns.
Harvard subject headings:
Deindustrialization--United States.
Plant shutdowns--Law and legislation--United States.
Plant shutdowns--United States.
Plant shutdowns.
Princeton subject headings:
Plant shutdowns--Law and legislation--United States.
Plant shutdowns--United States.
Plant shutdowns.