Krug, Steve: Advanced Common Sense
Steve Krug, author of Don't Make Me Think! A Common Sense Approach to Web Usability, provides consulting services including expert reviews of existing sites and new designs, usability workshops, and usability testing.
Rosenfeld, Louis: Information Architecture Reveale
Interview with Louis Rosenfeld.
Veen, Jeffrey: Homepage
Jeffrey Veen is the author of "The Art & Science of Web Design". His home page features details of the book and other links.