https://www.preceden.com/timelines/216442/embed
Archived: 25 Year History of the IDEA. (2007). Retrieved from http://www2.ed.gov/policy/speced/leg/idea/history.html
The History of Special Education Law – Wrightslaw. (2010). Retrieved from http://www.wrightslaw.com/law/art/history.spec.ed.law.htm
Understanding Special Education Law (IDEA). (2009). Retrieved from http://www.understandingspecialeducation.com/special-education-law.html