«Dahmer, Jeffrey». Encyclopedia of Murder and Violent Crime. SAGE Publications, Inc. [2455 Teller Road, Thousand Oaks California 91320 United States], 2003.
«District of Columbia Corrections System». Encyclopedia of Prisons & Correctional Facilities. SAGE Publications, Inc. [2455 Teller Road, Thousand Oaks California 91320 United States], 2005.