Britannica Library

The Encyclopedia Britannica online with top quality information from this trusted source. Choose the age-appropriate level that works best for you to complete homework assignments, conduct research, or work on special projects.

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  • Three levels of information for children, high-schoolers and adults
  • Articles are regularly updated by subject specialists
  • Content includes thousands of curated articles and magazines, images, videos, audio clips, primary sources, maps, research tools and recommended websites, along with a pop-up Merriam-Webster’s Dictionary and Thesaurus.