Reference - Tools
The preeminent Internet publisher of literature, reference and verse providing students, researchers and the intellectually curious with unlimited access to books, and information on the web, free of charge.
- Creative Quotations
Search 50,000 quotations from more than 3,000 famous people.
- Education World® The Educator's Best Friend
An educators best friend, includes a variety of resources from classroom
to administrative to school issues.
- Pima County Public Library
Refdesk is a free and family-friendly web site that indexes and reviews quality, credible, and current web-based resources.
- The WHY? Files
Science behind the news.