1. Alexander v. Holmes County Board of Education, 396 U.S. 19 (1969)
2. American Federation for Children and Alliance for School Choice, School Choice Legislation: State by State, retrieved from http://www.federationforchildren.org/system/uploads/119/original/Legislation_State_by_State_2011.09.19.pdf?1316465450
3. Bates, A. W. (1995). Technology, open learning and distance education. London: Routledge.
4. Brown v. Board of Education of Topeka, 347 U.S. 483 (1954)
5. Burke, M. & Sheffield R. (2011, August 17). School choice in America 2011: Educational opportunity reaches new heights. Backgrounder. The Heritage Foundation.