1. American Civil Liberties Union (2003). Race and the death penalty. https://www.aclu.org
2. American Civil Liberties Union (2022). Race and the death penalty. https://www.aclu.org
3. Atkins v. Virginia 536 U. S. 204 (2002).
4. Atwell, M. W. (2014). Wretched sisters: Examining gender and capital punishment. Peter Lang.
5. Monitoring and evaluating contemporary death sentence systems: Lessons from Georgia;Baldus D. C.;University of California, Davis Law Review,1985