Columbia subject headings:
Grants-in-aid--United States.
Public welfare--Law and legislation--United States.
Social security--United States.
Harvard subject headings:
Grants-in-aid--United States.
Public welfare--Law and legislation--United States
Social security--United States
Princeton subject headings:
Grants-in-aid--United States.
Public welfare--Law and legislation--United States.
Social security--United States.