- U.S Department of Health and Human Serviceswww.hhs.gov
- Administration for Children and Familieswww.acf.hhs.gov
- American Academy of Pediatrics (AAP)www.aap.org
- Child Care Aware® of Americawww.childcareaware.org
- Family Support and Well-Beingwww.eclkc.ohs.acf.hhs.gov
- HealthyChildren.org Ages and Stageswww.healthychildren.org