Columbia subject headings:
Manpower policy--Congresses.
Manpower policy--United States--Congresses.
Plant shutdowns--United States--Congresses.
Unemployment--United States--Congresses.
Harvard subject headings:
Manpower policy--Congresses
Manpower policy--United States--Congresses
Plant shutdowns--United States--Congresses.
Unemployment--United States--Congresses.
Princeton subject headings:
Manpower policy--Congresses.
Manpower policy--United States--Congresses.
Plant shutdowns--United States--Congresses.
Unemployment--United States--Congresses.