- National Institute of Child Health and Human Developmentwww.nichd.nih.gov
- Administration for Children and Familieswww.acf.hhs.gov
- Developmental Disabilities Resource Centerwww.ddrcco.com
- National Center on Birth Defects and Developmental Disabilitieswww.cdc.gov
- National Association of Councils on Developmental Disabilitieswww.nacdd.org
- National Council on Disabilitywww.ncd.gov
