Useful ergonomics-related websites:

Cornell University
Parts of this site consist of  course-related information for Cornell's ergonomics degree programs, but they also post  questionnaires and other tools and summaries of their research projects.

ErgoWeb
ErgoWeb has one of the most popular ergonomics list-servers. A consulting and subscription service, with some of their information available for free as samples. Weighted a bit towards industrial ergonomics (i.e. heavy work).

Humanics Ergonomics
An ergonomics consulting firm with original reports and a wealth of resources on office ergonomics,  ergonomics for children, the disabled,  design of the built environment  and  medical, health and wellness.

You may enjoy their ergonomics humor.

NIOSH  -   home
The National Institute of Occupational Safety & Health of the Department of Health and Human Services provides a wealth of information about a broad range of topics related to ergonomics and occupational safety and health.

OSHA
OSHA (federal) provides a broad range of ergonomics resources for all.

Typing Injury FAQ
Wide-ranging site with a long pedigree, produced over the years  by a variety of people. 

UCLA's Ergonomics program tips
UCLA's Ergonomics Program is developed and managed by Cindy Burt, CPE.   Their site provides practical guidelines and tips for working safely.

University of Nebraska
Not an official U of Neb site, but produced by folks from there, drawing from Australian as well as North American expertise.