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Cataloging: Fundamentals of the NLM® Classification

Module 2—Using the Online NLM Classification

page 15 of 16


Updates to NLM Classification

  • The online NLM Classification, PDF and HTML formats are updated annually by the NLM Classification Editorial Team
  • The Class Team’s activities include:
    • Systematic review of selected schedules
    • Additions/changes to the index based on new or replaced MeSH headings
    • Verification of selected LC class numbers used in the index
    • Resolution of classification problems raised by NLM catalogers and customers.
  • Outside subject experts/medical librarians may be consulted before major changes to the schedules are made

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