- Developmental Disabilities Resource Center www.ddrcco.com
- National Council on Disability www.ddrcco.com
- Administration on Disabilitiester www.acl.gov/about-acl/administration-disabilities
- American Association on Intellectual and Developmental Disabilities (AAIDD) www.aaidd.org
- DisabilityMeasures.orgwww.disabilitymeasures.org
- National Institute on Disability, Independent Living, and Rehabilitation Research (NIDILRR)www.acl.gov/programs/nidilrr
- National Institutes of Health (NIH)www.nih.gov
