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  1. Encyclopedia Britannica | Britannica

    Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.

  2. Encyclopedia.com | Free Online Encyclopedia

    Encyclopedia.com – Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our FREE, online library.

  3. Wikipedia, the free encyclopedia

    Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

  4. World History Encyclopedia

    The free online history encyclopedia with fact-checked articles, images, videos, maps, timelines and more; operated as a non-profit organization.

  5. Encyclopedias and Other Reference Sources - University of San Francisco

    Mar 2, 2026 · The encyclopedia features expert-written, in-depth articles on foundational and cutting-edge subjects, aiming to inform researchers, students, and professionals across various disciplines …

  6. Encyclopedia articles - Field Guide to Research Sources - Simpson ...

    Jul 25, 2025 · There are two titles: the title of the encyclopedia (e.g. "Wikipedia") and the title of the article (e.g. "France"). The article is a summary of the most basic facts about a certain topic.

  7. LibGuides: Encyclopedias Online: Use Subject Encyclopedias to ...

    Oct 28, 2025 · Use our extensive collection of online encyclopedias to understand the context and background for your research using articles written by scholars and experts. Encyclopedias are …

  8. Online Encyclopedias: Online Resources - Guides at University of Iowa

    Jan 6, 2026 · Based on Grzimek’s acclaimed 17-volume encyclopedia. Constantly updated with facts, figures, news and views, providing more than 4,000 species, including information on evolution, …

  9. Encyclopedia | Definition, History, Examples, & Facts | Britannica

    Jan 20, 2026 · In this article the word encyclopaedia has been taken to include not only the great general encyclopaedias of the past and the present but all types of works that claim to provide in an …

  10. Research Guides: Selected List of Encyclopedias: Home

    Dec 12, 2006 · Find background information and search the full text of the 10-volume print encyclopedia with links to audio examples, musical illustrations, photographs, and drawings; song …