Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Full text for subscribers only; free trial available.
Description: Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Free trial available.
This free reference tool from Answers.com can look up quick answers in a range of authoritative sources, while you're working with any application.
Description: An ad-supported reference search service, which displays concise answers drawn from over 100 encyclopedias, dictionaries, glossaries and atlases.