American Psychological Association:
http://www.apa.org/

The American Psychological Society:
http://www.psychologicalscience.org/

History and Philosophy of Psychology Links:

History & Philosophy of Psychology Web Resources:
http://www.psych.yorku.ca/orgs/resource.htm

History of Science Society:
http://depts.washington.edu/hssexec/

Society of American Archivists:
http://www.archivists.org/

Cheiron: The International Society for the History of Behavioral and Social Sciences:
http://www.psych.yorku.ca/orgs/cheiron/