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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 culture and arts.
- Earth and Environment
Want to learn about earth and the environment? You’ll find...
- History Category
Few other categories or areas of study offer as rich or as...
- 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...
- Sports and Everyday Life
This category covers the things that people do in their...
- Additional References
Encyclopedia.com – Online dictionary and encyclopedia with...
- Earth and Environment
Encyclopedia Britannica is a trusted and comprehensive online reference source that covers various topics in history, science, arts, and more. Explore articles, quizzes, videos, and features on Britannica's website or subscribe to Britannica Premium for exclusive content.
Wikipedia is a multilingual project that provides free access to information on various topics. You can read Wikipedia in your language and contribute to its content and quality.
Explore world history with fact-checked articles, images, videos, maps and timelines on various topics and events. World History Encyclopedia is a non-profit organization that engages people with cultural heritage and improves history education worldwide.
Wikipedia [note 3] is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the use of the wiki -based editing system MediaWiki. Wikipedia is the largest and most-read reference work in history.
- 334 languages
- Online encyclopedia
- United States
Explore 25 encyclopedias covering various disciplines, from social work to physics, with current, trustworthy, and concise articles. Learn more about the features, news, and updates of the Oxford Research Encyclopedias platform.
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The English Wikipedia is the primary [a] English-language edition of Wikipedia, an online encyclopedia. It was created by Jimmy Wales and Larry Sanger on 15 January 2001, as Wikipedia's first edition. English Wikipedia is hosted alongside other language editions by the Wikimedia Foundation, an American nonprofit organization.
