Nippon Decimal Classification

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The Nippon Decimal Classification (NDC, also called the Nippon Decimal System) is a system of library classification developed for mainly Japanese language books maintained by the Japan Library Association since 1956. It is based on the Dewey Decimal System. The system is based upon using each successive digit to divide into nine divisions with the digit zero used for those not belonging to any of the divisions.

Main classes[edit]

The system is made up of ten categories:

Description of the classes[edit]

000 General[edit]

100 Philosophy[edit]

200 History[edit]

300 Social Sciences[edit]

400 Natural Sciences[edit]

500 Technology & Engineering[edit]

600 Industry and Commerce[edit]

700 Arts[edit]

800 Language[edit]

900 Literature[edit]

External links[edit]