The Gang Crime Prevention Center, Illinois, USA
Office of Juvenile Justice and Delinquency Prevention (OJJDP), US Department of Justice
OJJDP Publications on Gangs (USA)
Justice Information Center (NCJRS) Juvenile Justice, USA Documents on Gangs
National Youth Gang Center, USA
National Institute of Justice, Research and Evaluation, USA
Project Exit - Leaving Violent Youth Groups, Norway. Focus on racist youth groups
