1. Measuring American: The Decennial Censuses from 1790 to 2000;Gauthier,2002
2. Unpublished notes from ACS subcommittee 2004-2006.
3. Americans with Disabilities Act of 1990. (Public Law 101-336), 42 U. S. C. § 12101.
4. Enabling America: Assessing the Role of Rehabilitation Science and Engineering;Brandt,1997
5. International Classification of Functioning, Disability and Health;World Health Organization,2001