Columbia subject headings:
Displaced workers--United States--States.
Occupational retraining--United States--States.
Unemployed--Government policy--United States--States.
Harvard subject headings:
Displaced workers--United States--States.
Occupational retraining--United States--States.
Unemployed--Government policy--United States--States.
Princeton subject headings:
Occupational retraining--United States--States.
Unemployed--Government policy--United States--States.