1. Americans with Disabilities Act. 1990. Pub. L. 101-336. U.S. Code. Vol. 42, s 12101 et seq.
2. Assistive Technology Act. 1998. Pub. L. 105-394, U.S. Code. Vol. 29, s 3001 et seq.
3. Burgstahler, S. 2002. Universal design of distance learning. Information Technology and Disabilities 8 (1). Available online at http://www.rit.edu/~easi/itd/itdv08n1/burgstahler.htm
4. Carlson, D., N. Ehrlich, B. Berland, and N. Bailey. 2001. Assistive technology survey results: Continued benefits and needs reported by Americans with disabilities. Research Exchange 7 (1). Available online at http://www.ncddr.org/du/researchexchange/v07n01/atpaper/
5. Electronic and information technology accessibility standards. 2000. 36 Code of Federal Regulations s 1194.