Columbia subject headings:
Full employment policies--Congresses.
Labor supply--Congresses.
Labor unions--Congresses.
Manpower policy--Congresses.
Harvard subject headings:
Full employment policies--Congresses.
Labor supply--Congresses.
Labor unions--Congresses
Manpower policy--Congresses
Princeton subject headings:
Full employment policies--Congresses.
Labor supply--Congresses.
Labor unions--Congresses.
Manpower policy--Congresses.