U.S. Department of Justice’s Bureau of Justice Statistics (BJS)
BJS collects, analyzes, publishes, and disseminates “information on crime, criminal offenders, victims of crime, and the operation of justice systems at all levels of government.”
Encyclopedia of Race and Crime by 
Encyclopedia of Street Crime in America by 
Encyclopedia of Social Problems by 5 Movies You Should Watch About the Prison System, by Sharon Lynn Pruitt
An Oxygen blog post, March 7, 2018
Incarceration includes people of all races, income, and education levels. Specific issues include mass incarceration, prison overcrowding, wrongful incarceration, imprisoned children, rehabilitation, recidivism, and more.
Try these search terms
Incarceration Mass Incarceration
Prison Overcrowding Wrongful Incarceration
Incarceration of Minors Prison Rehabilitation
Prison Recidivism
