Lista de enciclopédias online

1. Wikipedia em Inglês http://en.wikipedia.org com mais de 1.000.000 de artigos (Ano-base: 2006)
2. Wikipedia em Português http://pt.wikipedia.org
3. Wikipedia em Espanhol http://es.wikipedia.org
4. Encyclopædia Britannica: http://www.britannica.com/
5. Encarta online http://encarta.msn.com/
6. The Probert Encyclopaedia: http://www.probertencyclopaedia.com
7. Stanford Encyclopedia of Philosophy: http://plato.stanford.edu/contents.html
8. The Catholic Encyclopedia: http://www.newadvent.org/cathen/
9. The Adam Health Illustrated Encyclopedia: http://www.nlm.nih.gov/medlineplus/encyclopedia.html # TechEncyclopedia http://www.techweb.com/encyclopedia/
10. Columbia Encyclopedia http://www.bartleby.com/65/
11. The Encyclopedia of World History http://www.bartleby.com/67/
12. Encyclopedia Mythica http://www.pantheon.org/
13. Encyclopedia.com http://www.encyclopedia.com/
14. Encyclopedia of World Problems and Human Potential http://www.uia.org/encyclopedia/home.php
15. NationMaster Encyclopedia http://www.nationmaster.com/encyclopedia
16. EOLSS (Unesco) http://www.eolss.net