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Why use reference sources?
1. Explore various topics
2. Get "up to speed" on unfamiliar topics.
3. Find the next steps in your research.
The premier general encyclopedia.
Search 250 specialized encyclopedias and 500 other reference sources.
Search 270 reference books for topic overviews and key facts.
Clear and concise general encyclopedia.
Explore Controversial Issues
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Reference articles and book chapters. Good for finding historical articles, as well as up-to-date ones.
Summarizes science news and concepts in interesting, easy-to-read articles.
Full-text, full color articles (1993-current). Written for the educated laymen, often written by researchers.