- Center for Universal Design (1997). The principles of universal design, Version 2.0. Raleigh, NC: North Carolina State University.
- Christiansen, M. & Vogelsong, H. (1996). Play it safe: An anthology of playground safety. Ashburn, VA: National Recreation and Park Association.
- Drain, A. (May 4, 2006). Engineers hope to provide smooth slide for kids with cochlear Implants. St Louis, MO: Washington University. Retrieved from http://news-info.wustl.edu/news/tips/normal/7078.html
- Frost, J., Brown, P. S., Sutterby, J., & Thornton, C. (2004). The developmental benefits of playgrounds. Olney, MD: Association for Childhood Education International.
- National Center on Accessibility. (2002). Playground accessibility study. Bloomington, IN: National Center on Accessibility at Indiana University. Unpublished.
- U.S. Census Bureau. (July 2005). Disability and American families: 2000. Washington, DC: U.S. Census Bureau. Retrieved from http://www.census.gov/prod/2005pubs/censr-23.pdf
: The Principles of Universal Design were conceived and developed by The Center for Universal Design at North Carolina State University. Use or application of the
Principles in any form by an individual or organization is separate and distinct from the Principles and does not constitute or imply acceptance or endorsement by the Center for Universal Design of the use or application. This article contains images of play components from several manufacturers. Presentation and discussion of the play components do NOT represent an endorsement of the play components by the National Center on Accessibility.