- National Council on Disabilitywww.ncd.gov
- Benefits for People with Disabilitieswww.ssa.gov
- Administration on Disabilitieswww.acl.gov
- American Association on Intellectual and Developmental Disabilities (AAIDD)www.aaidd.org
- National Institute on Disability, Independent Living, and Rehabilitation Research (NIDILRR) www.acl.gov
