Connecticut Association for the Gifted
http://www.ctgifted.org 

National Association For Gifted Children
http://www.nagc.org 

Davidson Institute
http://www.davidsoninstitute.org

Supporting Emotional Needs of the Gifted
http://www.sengifted.org

The Johns Hopkins Center for Talented Youth
http://www.jhu.edu/gifted/imagine/linkB.htm