Dewey Decimal System

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The Dewey Decimal System is a way to sort non-fiction books. It's usually used in libraries. It uses numbers that go from 0 to 999, and it is set up by subject. For example, the 921 section has biographies.The 371 section is education. The system was created by Melvil Dewey in 1876. It is also called the Dewey Decimal Classification.

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