| 1. | Encyclopaedia Britannica Online | | | Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Free trial. www.eb.com |
| 2. | World Book Encyclopedia | | | Offers in-depth information on a variety of subjects. Includes resources for parents and teachers, features on current events, educational activities for children, and World Book product information. www.worldbook.com |
| 3. | EncycloZine | | | Portal/concise encyclopedia offers fun activities for learning and exercising the mind. Daily articles introduce new topics in the arts, humanities, science, and technology, and provide links to related sites. EncycloZine.com |
| 4. | The Probert Encyclopaedia | | | Serious reference source with over 60,000 fully hypertext linked entries covering the entire spectrum of human knowledge. Content is aimed at journalists and researchers. www.probert-encyclopaedia.co.uk |
| 5. | Encyberpedia | | | Electronic encyclopedia with its own content as well as over 10,000 links to the best reference sites on the Internet. www.encyberpedia.com |
| 6. | Informationsphere.com | | | Free online encyclopedia that allows users to submit their own articles for inclusion in its database. www.informationsphere.com |
| 7. | Encyclopedia Smithsonian | | | Links to on-line Smithsonian resources and answers to frequently asked questions from A to Z. www.si.edu |
| 9. | How Stuff Works | | | Articles explain how hundreds of things work, from elements of the human body to space-age technology. www.howstuffworks.com |
| 10. | Free Internet Encyclopedia | | | An encyclopedia composed of information available on the Internet. MacroReference contains references to large areas of knowledge, FAQs where available, and pointers to relevant areas of the MicroReference. MicroReference contains short bits of information and references to specific subjects. www.cam-info.net |
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