Blind and Physically Handicapped Library [1]
Family Village [2]: A global community with information for children with disabilities and their families
The Center for Accessible Technology [3]: Resources and support for children and adults with disabilities, their families, teachers, friends and helpers.
National Early Childhood Technical Assistance System [4]: Information about services and programs for Infants and Toddlers with disabilities.
Links:
[1] http://www.loc.gov/nls/
[2] http://www.familyvillage.wisc.edu/index.html
[3] http://www.cforat.org/
[4] http://www.nectac.org/