1. Atwater v. City of Lago Vista, 532 U.S. 318 (2001)
2. Persistent disparity: race and economic inequality in the United States since 1945;Darity,1998
3. Reorganizing child protection services: protecting children and providing family support;Hutchinson;Children and Youth Services Review,1994
4. Minneapolis Police Department (1999). Annual Report. http://www.ci.minneapolis.mn.us/police/crime-statistics/docs, 1999a (http://www.ci.minneapolis.mn.us/police/crime-statistics/docs/1999annualreport.pdf)
5. Minneapolis Police Department (2002). CODEFOR Strategy. Http://www.ci.minneapolis.mn.us/police/about/codefor.asp