Columbia subject headings:
Legal aid--United States--Congresses.
Poor--United States--Congresses.
Public welfare--Law and legislation--United States--Congresses.
Harvard subject headings:
Legal aid--United States--Congresses.
Poor--United States--Congresses.
Public welfare--Law and legislation--United States--Congresses.
Princeton subject headings:
Legal aid--United States--Congresses.
Poor--United States--Congresses.
Public welfare--Law and legislation--United States--Congresses.