1. Abington Township v. Schempp 1963
2. Agostini v. Felton 1997
3. Aguilar v. Felton 1985
4. American Civil Liberties Union (ACLU) 2010 ACLU of Minnesota v. TiZA www.aclu-mn.org/legal/casedocket/aclumnvtiza/
5. Many options in New Orleans choice system;Arce-Trigatti;Education Next,2015