1. County and City Data Book. 2000 and 1994. U.S. Census Bureau. 10 Feb. 2006. Available in PDF form at: and in comma-delimited form at < http://fisher.lib.virginia.edu/collections/stats/ccdb/>.
2. Income inequality and homicide rates in Canada and the United States;Daly;Canadian Journal of Criminology and Criminal Justice,2001
3. Inequality and crime;Kelly;The Review of Economics and Statistics,2000
4. Understanding why crime fell in the 1990s: four factors that explain the decline and six that do not;Levitt;Journal of Economic Perspectives,2004
5. Economic inequality and levels of homicide: an analysis of urban neighborhoods;Messner;Criminology,1986