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Dewey Decimal System – A Guide to Call Numbers

To learn more about what the parts of a book’s call number mean, take a look at Finding Books with Library of Congress and Dewey Call Numbers

Overview

000 Generalities
100 Philosophy & psychology
200 Religion
300 Social sciences
400 Language
500 Natural sciences & mathematics
600 Technology (Applied sciences)
700 The arts
800 Literature & rhetoric
900 Geography & history

The 000s

The 100s

The 200s

The 300s

The 400s

The 500s

The 600s

The 700s

The 800s

The 900s