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Search over 200 individual encyclopedias and reference books from the worlds most trusted publishers. Find facts, videos, and pictures on various topics, from history and science to arts and culture.
- Earth and Environment
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- 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...
- Medicine
The history of medicine can be traced back as far as...
- People
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- Science and Technology
Science and technology is quite a broad category, and it...
- Sports and Everyday Life
This category covers the things that people do in their...
- Earth and Environment
Encyclopedia Britannica is a trusted source of information on various topics, from history and science to arts and culture. Leading Off features articles, quizzes, videos, and more on current events and popular subjects.
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.
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