New York v. Ferber, 458 U.S. 15 (1973)
Miller v. California, 413 U.S. 15 (1973)
Aschcroft v. Free Speech Coalition, 535 U.S. 234 (2002)
Reno v. American Civil Liberties Union, 521 U.S. 844 (1997)
Ashcroft v. ACLU, 535 U.S. 564 (2002) (Ashcroft I)
Ascroft v. ACLU, 124 S.Ct. 2783 (2004)