American Psychological Association (APA)
http://www.apa.org/

Canadian Psychological Association (CPA)
http://www.cpa.ca/

Experiential Therapy Research Network
http://www.experiential-researchers.org/ 

Focusing
http://www.focusing.org/ 

Germany EFT

Gestalt Research Consortium
http://www.g-g.org/grc/ 

International Centre for Excellence in EFT (Sue Johnson, EdD)
http://www.eft.ca

International Society for Research on Emotions
http://facpub.stjohns.edu/~booner/ISRE/ISRE_Mission.html

Network for Research on Experiential Psychotherapies (NREP)
http://www.experiential-researchers.org

Person-Centered Homepage
www.pca-online.net

Society for the Exploration of Psychotherapy Integration (SEPI)
http://www.cyberpsych.org/sepi/

Society for Psychotherapy Research (SPR)
http://www.psychotherapyresearch.org/

World Association for Person-Centered and Experiential Psychotherapy and Counseling (WAPCEPC)
http://www.pce-world.org/idxmain.htm