Encyclopedias

Una base de datos informativa, interactiva y rica en medios en español.
A media-rich, interactive, informational database in Spanish.

Provides over 25,000 encyclopedic entries covering a variety of subject areas.

Una enciclopedia completa en español.
A comprehensive encyclopedia in Spanish.
An encyclopedia geared toward high school and college students, but an all purpose encyclopedia for anyone to look through.
An instruction site for individuals with reading levels below grade level.
An encyclopedia that includes content and tools developed specifically for younger students.
The mainstay for any school library's research needs with thousands of articles and extensive multimedia to help engage students.

The World Book web site offers an encyclopedia, dictionary, atlas, homework help, study aids, and curriculum guides.