- American Association on Intellectual and Developmental Disabilitieswww.aaidd.org
- Benefits for People with Disabilitieswww.ssa.gov
- Developmental Disabilities Resource Centerwww.ddrcco.com
- National Association of Councils on Developmental Disabilitieswww.nacdd.org
- National Council on Disabilitywww.ncd.gov
- The American Association of People with Disabilitieswww.aapd.com
