Other
O*net (Occupational Info Network) Knowledge Site
O*NET, replacement for the US Dictionary of Occupational Titles as well as the Directory of Occupational Titles and the Occupational Job Outlook, provides "Information on skills, abilities, knowledge, work activities, and interests...
University of California
University of California, Berkeley: Planning Your Future
UC Berkeley's collection of information on assessing your interests; undergraduate, graduate, and professional school programs; and available career information sources.
University of Manitoba
University of Manitoba: Exploring Occupations
The Career Centre at the University of Manitoba offers information and resources on 200 occupations, plus the admonition that "Information about the world of work is everywhere."