SENG Supporting Emotional Needs of the Gifted http://www.sengifted.org/
ECHA European Conuncil for High Ability http://www.echa.info/
World Council for Gifted and Talented Children http://www.WorldGifted.org
Personas altamente sensibles http://personasaltamentesensibles.com/
MENSA España http://www.mensa.es
Johns Hopkins University. Center for Talented Youth http://www.jhu.edu:80/~gifted/
Duke University Talent Identification Program http://www.tip.duke.edu
The National Research Center on the Gifted and Talented http://www.gifted.uconn.edu/