Columbia subject headings:
Child welfare--United States.
Family policy--United States.
Income maintenance programs--United States.
Poor--United States.
Single-parent families--United States.
Urban poor--United States.
Harvard subject headings:
Child welfare--United States
Family policy--United States.
Income maintenance programs--United States
Poor--United States
Single-parent families--United States
Urban poor--United States.
Princeton subject headings:
Child welfare--United States.
Family policy--United States.
Income maintenance programs--United States.
Poor--United States.