Encyclopedia of Alabama - online reference resource for Alabama history, culture, geography and natural environment (content includes video, audio, & graphics)
Encyclopedia.com from HighBeam Research
Provides user-friendly access to The Columbia Encyclopedia (Sixth Edition).
Britannica Concise Encyclopedia from Encyclopaedia Britannica
A free source based on the single volume print version. Find short articles on a variety of subjects.
Encyclopaedia Britannica (Eleventh Edition, 1911) from LovetoKnow
One of the most comprehensive encyclopedias ever written. Find historical articles on 40,000 topics.
MedlinePlus Medical Encyclopedia from Adams, the National Library of Medicine, and the National Institutes of Health
Illustrated encyclopedia of more than 4,000 articles on diseases, tests, symptoms, injuries, and surgeries.
SYMBOLS.com from HME Media
An online encyclopedia of graphic symbols including their histories, uses, and meaning.