Here you find links to the Virtual Labrary Data Base and the Virtual Library Resources .
Both are PDF files that can be opened in Acrobat Reader.
The 1911 Edition Encyclopedia Britannica : Browsable full-text of the famed edition.
Encarta Online : Based on the Encarta encyclopedia from Microsoft.
Encyclopedia.com : 17,000+ articles from the Concise Columbia Electronic Encyclopedia, Third Edition with links to other sources
Wikipedia, the free encyclopedia : Wikipedia is a Web-based, multi-language, free-content encyclopedia written collaboratively by volunteers and sponsored by the non-profit Wikimedia Foundation.
Users should remember that because anyone may contribute to Wikipedia, the information provided may be incorrect, biased, or intentionally misleading.