Categories of Knowledge
http://faqs.org/faqs/by-category.html#H

This Web site is a large and user-friendly collection of information on various subjects.

Digital Librarian: A Librarian's Choice of the Best of the Web
http://www.servtech.com/~mvail/home.html

Education Index
http://www.educationindex.com/

Education Index® is an annotated guide to the best education-related Web sites on the Internet.

The Public Library of Nashville and Davidson County
http://www.library.nashville.org/Links/Recommended/Recommended.html

You can access the library catalogs and information on a variety of subjects at this Web site.