Dane Archer's "Exploring Nonverbal Communication" Page about a video series for teaching general info on nvb.
Body Language maintained by Marco Pacori. Excellent links.
The Nonverbal Dictionary of Gestures, Signs & Body Language Cues
Journal of Nonverbal Behavior (Unofficial Page)
Roger Axtell author of Gestures: Do's and Taboos of Body Language Around the World. The book abstract is no longer on-line but you can contact him via this site.
Nonverbal Behaviour & Communication Links