Encyclopedia Smithsonian
Links to on-line Smithsonian resources and answers to frequently asked questions from A to Z.
http://www.si.edu/resource/faq/start.htm
Encyclopedia.com from Electric Library
Free resource offers more than 50,000 concise articles.
http://www.encyclopedia.com/
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.
http://www.cam-info.net/enc.html
