http://www.lis.uiuc.edu/~b-sloan/bernie.htm (Bernie Sloan's pages)
http://ublib.buffalo.edu/libraries/help/refchat.html (service at Buffalo)
http://www.lib.duke.edu/reference/ (service at Duke and general stuff)
http://pages.prodigy.net/tabo1/digref.htm ( a good general resource)
http://www.public.iastate.edu/~CYBERSTACKS/LiveRef.htm#GenBib (lots of good stuff)
http://www.infotoday.com/it/mar01/saunders.htm
http://www.le.ac.uk/li/distance/enquiry/chat.html#intro
http://www.vrd.org/index.shtml
http://groups.yahoo.com/group/livereference/
http://www.lita.org/ital/2004_fagan.html, (Creating an Instant Messaging Reference System)
http://www.loc.gov/rr/digiref/, (Library of Congress, Collaborative Digital Reference Service)
Chat Reference Service: An Analysis of one Semester's Data