Reference » Encyclopedias

Encyclopedias -

Publishes thousands of free online classics of reference, literature and nonfiction.

Britannica Online Encyclopedia -

Explore the updated online encyclopedia with hundreds of thousands of articles, biographies, videos, images, and web sites. -

Online dictionary and encyclopedia with pictures, facts, and videos.

Online Encyclopedia -

Search over 40,000 articles from the original, classic Encyclopedia Britannica, 11th Edition. -

Contains more than 1,600 articles about 2,500 Western signs, arranged into 54 groups according to their graphic characteristics.

Wikipedia -

The free encyclopedia that anyone can edit.