- National Association for Family Child Care www.nafcc.org
- National Child Care Association www.nccanet.org
- Parenting.com www.parenting.com
- Child Care Resource Center www.ccrcla.org
- Child Action, Inc. www.childaction.org
- Empowering Parents www.empoweringparents.com
- The Montessori Foundation www.montessori.org
- Social & Emotional Development www.virtuallabschool.org
- What to expect in preschool: social studies www.greatschools.org
