Columbia subject headings:
Manpower policy--United States.
Public service employment--United States.
Public welfare--United States.
Unemployed--United States.
Harvard subject headings:
Manpower policy--United States
Public service employment--United States.
Public welfare--United States
Unemployed--United States
Princeton subject headings:
Manpower policy--United States.
Public service employment--United States.
Public welfare--United States.
Unemployed--United States.