Columbia subject headings:
Labor supply--United States--Bibliography.
Manpower policy--United States--Bibliography.
United States. Department of Labor. Manpower Administration--Bibliography.
Harvard subject headings:
Labor supply--United States--Bibliography.
Manpower policy--United States--Bibliography.
United States. Department of Labor. Manpower Administration--Bibliography.
Princeton subject headings:
Labor supply--United States--Bibliography.
Manpower policy--United States--Bibliography.
United States. Department of Labor. Manpower Administration--Bibliography.