Reference > Encyclopedias

Solutions4Recovery provides discreet residential drug and alcohol treatment and rehabilitation programs.

Offers in-depth information on a variety of subjects. Includes resources for parents and teachers, features on current events, educational activities for children, and World Book product information.

Clear answers for a wide vareity of common questions. Subject areas include manufacturing & industry, science & engineering, technology & gadgets and home & garden.

An online encyclopedia of wild animals with a lot of facts and photos.

Free volunteer-edited encyclopedia with over 200,000 articles.

Where words are defined as pictures, for leaning the exact names of objects. Different from an encyclopedia because the images replace the words.

Free text resources and references, features a free encyclopedia, aims at creating a library of free and open content - literature, documentation and more.

Reference source with several hypertext linked entries covering a broad variety of subjects.

The encyclopedia of trivia. Includes such things as the definitions of acronyms and abbreviations, flags of the world, entertainment milestones, concise information about sports and religion, and so forth.

Free online encyclopedia that allows users to submit their own articles for inclusion in its database.

Articles explain how hundreds of things work, from elements of the human body to space-age technology.

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 inform

Portal/concise encyclopedia offers fun activities for learning and exercising the mind. Daily articles introduce new topics in the arts, humanities, science, and technology, and provide links to related sites.

Links to on-line Smithsonian resources and answers to frequently asked questions from A to Z.

Thousands of categorized entries of trivia - an invaluable resource for answer seekers.

Browsable full text of the 11th edition.

Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Free trial.

Electronic encyclopedia with its own content as well as over 10,000 links to the best reference sites on the Internet.

Electric Library Personal Edition makes it possible to conduct real research over the Internet, using a deep database of reliable sources.

Online publication of the Columbia Encyclopedia, Sixth Edition.