Columbia subject headings:
Public welfare--United States.
Unemployed--United States.
United States. Federal Civil Works Administration.
United States. Federal Emergency Relief Administration.
United States. Work Projects Administration.
United States. Works Progress Administration.
Harvard subject headings:
Public welfare--United States
Unemployed--United States
United States. Federal Civil Works Administration.
United States. Federal Emergency Relief Administration.
United States. Work Projects Administration
United States. Works Progress Administration.
Princeton subject headings:
Public welfare--United States.
Unemployed--United States.
United States. Federal Civil Works Administration
United States. Federal Emergency Relief Administration
United States. Work Projects Administration
United States. Works Progress Administration