1. Help America Vote Act of 2002, Pub. L. No. 107-252, 116 Stat. 1666-1730, codified at 42 U.S.C. §§15301-15545 (2002)
2. Swierenga, S.J., Pierce, G.L.: Accessible voting system usability measures. J. Technol. Persons Disabil. 1, 146–154 (2013)
3. Bovbjerg, B.: Voters with Disabilities: Challenges to Voting Accessibility. U.S. Government Accountability Office, Washington, D.C. (2013)
4. Schur, L., Adya, M., Kruse, D.: Disability, Voter Turnout, and Voting Difficulties in the 2012 Elections. Report to U.S. EAC and RAAV (2013)
5. U.S. Election Assistance Commission: Voluntary Voting System Guidelines 1.0. U.S. EAC, Washington, D.C. (2005)