Columbia subject headings:
Day care aides--United States.
Day care centers--Standards--United States.
Day care centers--United States.
Federal aid to day care centers--United States.
Harvard subject headings:
Day care aides--United States.
Day care centers--Standards--United States.
Day care centers--United States
Federal aid to day care centers--United States
United States. Economic opportunity act of 1964.
Princeton subject headings:
Day care centers--United States.
United States Laws, statutes, etc. Economic opportunity act of 1964.