1. United States Americans with Disabilities Act of 1990, (as amended by ADA Amendments Act of 2008) 42 USCS;Rail Vehicle Accessibility (Non-Interoperable Rail System) Regulations,1995
2. International Convention on the Rights of Persons with Disabilities GA Res 61/106, UN Doc A/RES/61/106;Americans with Disabilities Act Title III Regulations, 28 CFR Part,2006
3. Cavendish, Ada (1839–1895)