Disability Statistics Center: http://dsc.ucsf.edu

National Aging Information Center: Assistive Technology and Aging: http://www.aoa.gov/NAIC/Notes/technologydisabilities.html

National Aging Information Center: Disability and Aging: http://www.aoa.gov/NAIC/Notes/disabilityaging.html

Office of Disability, Aging and Long-Term Care Policy: http://aspe.hhs.gov/daltcp/home.htm