EBusinessearch.com

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

A free encyclopedia built collaboratively using Wiki software. (GNU Free Documentation License).

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

Glossary of terms. Material ranges from undergraduate to research level.

Publisher site promoting sales of bound copies and offering link to online version.

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

Offers the 11th Edition Encyclopedia Britannica which is now in the public domain. All articles are searchable and alphabetized.

Online version of the complete reference work along with dictionary, atlas, links, magazines, historical documents, audio, video, images, and 3D photographs. Requires free temporary registration with option to buy continued access.

Numerous definitions of Arabic life, customs, and places. Covers topics about northern Afica and the Middle East. Includes maps and articles.

Brochure of educational textbooks.

Originally commissioned and peer reviewed articles across the life sciences. Online encyclopedia requires paid subscription.

Over 6,000 entries on mythology, folklore, and legend. Includes some images and stories.

Includes reference information such as height, location, first ascent data, photos, web links, summit log entries for hundreds of mountains worldwide.

Current knowledge of molecular and cellular biology in terms of the information pathways of interacting molecules or genes and links from the gene catalogs produced by genome sequencing projects.

Browsable. Based on the eleventh edition of the Encyclopedia Britannica, first published in 1911.

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 information and references to specific subjects.

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

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

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

Covers the basics about severe storms with notable examples of Mother Nature's ill-tempered handiwork.