Block Housing, Education, Voting
By:  Marc Mauer

Incarceration Rate of African-Americans Remains Much Higher than Other Demographic Groups
Source:  U.S. Department of Justice

Incarceration and Social Inequality
By:  Bruce Western & Becky Pettit

Incarceration vs. Crime Rates
Source:  U.S. Department of Justice

Institutionalization by Race & Ethnicity
By:  Steven Raphael & Michael Stoll
   "Why Are So Many Americans in Prison?"  March  2007

U.S. Incarceration Rate Largest in the World
By:  Roy Walmsley
   "World Prison Population List"