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Search over 200 encyclopedias and reference books from trusted publishers on various topics. Find facts, definitions, examples, and multimedia for your research and homework needs.
- Earth and Environment
Want to learn about earth and the environment? You’ll find...
- History Category
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- About Encyclopedia.com
As the Internet's premier collection of online...
- Plants and Animals
The surface of the earth is covered with plants and animals,...
- Places Category
Where in the world is this category? Everywhere. There are...
- Literature and The Arts
If people can create it, you’ll probably find it in this...
- People
The accomplishments of people are documented throughout this...
- Science and Technology
Science and technology is quite a broad category, and it...
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This category covers the things that people do in their...
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Encyclopedia.com – Online dictionary and encyclopedia with...
- Earth and Environment
Explore the world of knowledge with Britannica, the authoritative source for facts, insights, and perspectives. Discover articles, videos, quizzes, and more on topics ranging from history and science to arts and culture.
Encyclopedia.com allows users to access information on a subject from multiple encyclopedias and dictionary sources, and has nearly 200,000 entries and 50,000 topic summaries. It provides a collection of online encyclopedias and entries from various sources, including Oxford University Press, Columbia Encyclopedia and Gale, its parent company.
Encyclopedia.com offers in-depth guides to hundreds of topics you use everyday, from business and finance to tax and legal. Find answers to your questions and learn from the original online encyclopedia.
Learn about the location, size, topography, climate, and natural resources of the United States, the fourth-largest country in the world. Find out its capital, flag, anthem, holidays, and more.
