Columbia subject headings:
Early childhood education--Law and legislation--United States.
Head Start programs--United States.
Poor children--Education (Preschool)--United States.
Readiness for school--United States.
Harvard subject headings:
Early childhood education--Law and legislation--United States.
Head Start programs--United States.
Poor children--Education (Preschool)--United States
Readiness for school--United States.
Princeton subject headings:
Early childhood education--Law and legislation--United States.
Head Start programs--United States.
Poor children--Education (Preschool)--United States.
Readiness for school--United States.