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Everything about Dewey Decimal Classification

Library classification system

The Dewey Decimal Classification, colloquially known as the Dewey Decimal System, is a proprietary library classification system which organizes books based on discipline and subject. It was first published in the United States by Melvil Dewey in 1876. Originally described in a 44-page pamphlet, it has been expanded to multiple volumes and revised through 23 major editions, the latest printed in 2011. It is also available in an abridged version suitable for smaller libraries. OCLC, a non-profit cooperative that serves libraries, currently maintains the system and licenses online access to WebDewey, a continuously updated version for catalogers. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Dewey Decimal ClassificationA 5-minute orientation
  2. Skim a recent paper: Dewey Decimal Classification (DDC)Influential work since 2022
  3. Pick up a classic book: Dewey decimal classification and relative indexThe most-reprinted book on the subject
  4. Read the landmark paper: An extensive study on automated Dewey Decimal ClassificationCited 27 times
  5. Go sideways: Comparison of Dewey and Library of Congress subject classificationA closely related topic
  6. Go sideways: Melvil DeweyA closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

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