Trace Research and Development Center
www.trace.wisc.edu/text/guidelns/htmlgide/htmlgide.htm
WGBH National Center for Accessible Media
www.wgbh.org/ncam
Web Accessibility Initiative
www.w3.org/WAI
HTML 3.2 Spec
www.w3.org/MarkUp/Wilbur/
The Cougar (HTML 4.0) Spec
www.w3.org/MarkUp/Cougar/
Microsoft Accessibility and Disabilities page
www.microsoft.com/enable/dev/web.htm
The Yuri Rubinsky Foundation Webable page
www.yuri.org/webable/
Softquad
www.softquad.com
Chuck LeTourneau's page
www.igs.net/~starling/acc/index.htm