National PTA - Contains information about "Discussing Hate and Violence with your Children"
http://www.pta.org/programs/content.cfm?ItemNumber=985

The Child Mind Institute - Transforming mental health care for children
http://www.childmind.org/

The Dougy Center - The National Center for Grieving Children and Families
http://www.dougy.org/

National Institute for Mental Health - Transforming the understanding and treatment of mental health through research
http://www.nimh.nih.gov/index.shtml

Mental Health America - Children's Resource Guide
http://www.mentalhealthamerica.net/go/children