Accessibility Standards
Americans with Disabilities Act (ADA) http://www.ada.gov/2010ADAstandards_index.htm NPS Guidelines for Accessibility http://www.nps.gov/hfc/accessibility/accessibilityGuideVersion2.1.pdf
Web Content Accessibility Guidelines (WCAG) 2.0 http://www.w3.org/TR/WCAG20
Smithsonian Guidelines for Accessibility http://accessible.si.edu/pdf/Smithsonian%20Guidelines%20for%20accessible%20design.pdf UN International Accessibility Standards http://www.un.org/esa/socdev/enable/designm ITU http://www.itu.int/en/ITU-T/accessibility/Pages/default.aspx Hearing Loops
http://www.hearingloss.org/content/loop-technology
Low Vision Apps
http://www.applevis.com/apps/ios-apps-for-blind-and-vision-impaired
Lighthouse for the Blind
http://lighthouse-sf.org/programs
NPS Building Modifications Brief
http://www.nps.gov/tps/how-to-preserve/briefs/32-accessibility.htm#planning
Closed Captioning
http://www.fcc.gov/guides/closed-captioning