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Maple Avenue Library: Dewey Decimal

Melvil Dewey

Melvil Dewey invented the Dewey Decimal System  when he was just 21 years old, as a student assistant librarian at Amherst College in Massachusetts. The Dewey Decimal Classification System (DDC) is the most widely used library organization system in the world.  The system groups books by topic, dividing them into 10 main classes or categories.  

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