encyclopedias

Answers.com

Encyclopedia aggregator and one-stop-shop for academic information.

www.answers.com - Aggregator

Britannica

Featuring 100,000 scholarly articles. Highly respected.

www.britannica.com - Encyclopedia

Catholic Encyclopedia

10,000 articles on Catholic history, interests, and doctrine.

www.newadvent.org/cathen - Religion

Columbia

Columbia's online encyclopedia offers 51,000 entries (and pop-up ads).

www.bartleby.com - Encyclopedia

Computer Desktop Encyclopedia

Featuring 20,000 topics and 2,500 images. Search field at bottom of page.

www.computerlanguage.com - Computers

Encyclopedia Mythica

Premier encyclopedia covering mythology, folklore, and religion.

www.pantheon.org - Mythology

Encyclopedia of Life

Database of scientific information on and photographs of known species.

www.eol.org - Biology

Encyclopedia of Philosophy

Hundreds of original contributions by philosophy experts and volunteers.

www.iep.utm.edu - Philosophy

Encyclopedia of Symbols

2,500 western signs and ideograms grouped by graphic characteristics.

www.symbols.com - Symbols

Encyclopedia Smithsonian

Online resources from the Smithsonian Institution.

www.si.edu - Encyclopedia

Europeana

Digital collection of scientific and cultural texts, images, videos, and sounds.

www.europeana.eu

Freebase

Open database of the world's information.

www.freebase.com - Encyclopedia

How Stuff Works

Source for easy-to-understand explanations of how things work.

www.howstuffworks.com - Science

Medline Medical Encyclopedia (by ADAM)

Diseases, symptoms, injuries, and more with photographs and illustrations.

www.nlm.nih.gov/medlineplus - Medical Encyclopedia

Reference.com

Encyclopedia aggregator. Sources include Columbia Encyclopedia and Wikipedia.

www.reference.com - Information Aggregator

Scholarpedia

Peer-reviewed open-access encyclopedia written by scholars from around the world.

www.scholarpedia.org

Stanford Encyclopedia of Philosophy

Hundreds of refereed encyclopedia entries.

plato.stanford.edu - Philosophy

Who2

Encyclopedia of more than 3,000 famous people and fictional characters.

www.who2.com - Famous People

Wikipedia

Find more than 2,000,000 entries, written and edited by users.

www.wikipedia.org - Encyclopedia

World Book

Traditional encyclopedia in print since 1917. Subscription required.

worldbook.com - Encyclopedia

World Digital Library

Archive of primary materials from cultures around the world.

wdl.org - Encyclopedia