1. Paris Adult Theatre I v. Slaton 413 US 49 (1973). Paris Adult Theatre I v. Retrieved July 21, 2017 from https://www.oyez.org/cases/1972/71-1051
2. Abrams v. United States, 250 U.S. 616. (1919) Oyez. Retrieved August 7, 2017, from https://www.oyez.org/cases/1900-1940/250us616
3. Ashcroft v. American Civil Liberties Union 535 US 564. (2002) Oyez. Retrieved July 25, 2017, from https://www.oyez.org/cases/2001/00-1293
4. Ashcroft v. American Civil Liberties Union. 542 US 656. (2004) Oyez. Retrieved July 25, 2017, from https://www.oyez.org/cases/2003/03-218
5. Regulating hate speech online