Here you will find links that are extremely useful for anybody interested in primatology:

American Association for the Advancement of Science (AAAS):  http://www.aaas.org/

American Association of Physical Anthropologists (AAPA):  http://physanth.org/

American Society of Primatologists (ASP):  http://www.asp.org/

International Primatological Society (IPS):  http://www.internationalprimatologicalsociety.org/

Midwest Primate Interest Group (MPIG):  http://www.mpig.org/

Primate Info Net (PIN):  http://pin.primate.wisc.edu/

PrimateLit:  http://primatelit.library.wisc.edu/