Academy of cognitive therapy:

www.academyofct.org/

The European Association for Behavioural and Cognitive Therapy (EABCT):

www.eabct.com 

 Beck Institiute
http://www.beckinstitute.org

Journal of Rational-Emotive & Cognitive-Behavior Therapy:
http://www.springer.com/psychology/journal/10942

The American Institute for Cognitive Therapy
http://www.cognitivetherapynyc.com/