The U.S. government can be a rich source of information if you know where to look; here's some places to get started.
A collection of links to the home pages of non-governmental organizations, think tanks, societies, etc.
PORTALS are collections of links to websites on a specific subject. They can be a useful way to find Internet information BUT, be aware that some portals, especially those created by businesses, include more commercial websites than links to scholarly information. Always double check an Internet site for accuracy and currency. Who wrote it? What is its purpose?
There are many additional resources and guide hosted by the state university of New Jersey. These are just a few.
Rutgers, The State University of New Jersey, an equal access/equal opportunity institution. Individuals with disabilities are encouraged to direct suggestions, comments, or complaints concerning any accessibility issues with Rutgers web sites to: firstname.lastname@example.org or complete the Report Accessibility Barrier / Provide Feedback Form.