Web Design & Usability Guidelines (National Cancer Institute)
http://usability.gov/guidelines/
http://trc.ucdavis.edu/trc/tutorials/Usability_guidelines.pdf
Usability Testing Resources (LITA)
http://www.vancouver.wsu.edu/fac/campbell/
hmiig/usabres2.htm
Alertbox: Current Issues in Web Usability (Jakob Nielsen)
http://www.useit.com/alertbox/
Usability Testing of World Wide Web Sites ( Michael D. Levi and Frederick G. Conrad, U.S. Department of Labor. Bureau of Labor Statistics)
http://stats.bls.gov/ore/htm_papers/st960150.htm
Testing Methods and Tools [University of Maryland]
http://www.otal.umd.edu/guse/testing.html
Testing Web Page Design Concepts for Usability (Monash University)
http://ausweb.scu.edu.au/aw03/papers/alexander4/
paper.html
http://www.ariadne.ac.uk/issue40/web-watch/
Ohio University Usability Test
http://www.ohiou.edu/mediapros/web/user_test.html
Information Architecture Tutorial, by John Shiple
http://www.webmonkey.com/webmonkey/design/
site_building/tutorials/tutorial1.html
Krug, Steve. Don't make me think: a common sense approach to web usability. New Riders, 2000.
Nielsen, Jakob. Designing web usability: the practice of simplicity. New Riders Press, 1999.
Phyo, Ani. Return on design: smarter web design that works. New Riders Press, 2003.
Rosenfeld, Louis & Morville, Peter. Information architecture for the World Wide Web: designing large-scale web sites. O'Reilly, 2nd ed., 2002.
Stephanidis, Constantine. (Ed). The Universal Access Handbook. CRC Press, 2009.