Columbia subject headings:
Poor women--United States.
Public welfare--United States.
Women heads of households--United States.
Women--Employment--United States.
Harvard subject headings:
Low-income single mothers--United States.
Poor women--United States
Public welfare--United States
Women heads of households--United States.
Women--Employment--United States.
Princeton subject headings:
Poor women--United States.
Public welfare--United States.
Women heads of households--United States.
Women--Employment--United States.