"...a free web newsletter that is produced by the Software Usability Research Laboratory (SURL) at Wichita State University. The SURL team specializes in software/website user interface design, usability testing, and research in human-computer interaction."
Welie.com. A pattern library with over 125 patterns for Interaction Design. All patterns are illustrated with examples and links to literature and occasionally code.
G. Iacucci, K. Kuutti, and M. Ranta. Proceedings of the 3rd conference on Designing interactive systems: processes, practices, methods, and techniques, page 193--202. New York, NY, USA, ACM, (2000)
?. Chichester, 2 edition, (2007)Table of Contents: http://www.loc.gov/catdir/enhancements/fy0814/2006030649-d.html
Chapter 4: Designing for Collaboration and Communication.