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DDC 23 DDC 23

Item #: DDC9822

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Every seven years, a new print edition of the Dewey Decimal Classification is published. The new edition, DDC 23, arrives in 2011. DDC 23 features:

  • Many new topics and significant updates to selected fields
  • Numbers informed by interaction with the worldwide community of Dewey users
  • A complete overhaul to the representation of groups of people

Dewey Decimal Classification and Relative Index. Edition 23. Four volumes. 2011. Permanent paper. ISBN 978-1-910608-81-4.

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