- Administration for Children and Familieswww.acf.hhs.gov
- Center for Effective Parentingwww.parenting-ed.org
- Child Welfare League of Americawww.cwla.org
- National Association for Family Child Carewww.nafcc.org
- National Head Start Associationwww.nhsa.org
- Zero to Threewww.zerotothree.org
