Bureau of Labor Statistics - information on salary, education, job duties
Occupational Outlook Handbook - if you can't find your career in the site above, look here.
Career Voyages - use the table of contents on the left to find an industry. Then choose a career.
Student Resource Center Gold - find biographies of famous people in your chosen career.
Junior Achievement Student Center click on a category on the left
Career Planning by About.com
Use Noodlebib to create your Works Cited page.