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Cataloging: Fundamentals of the NLM® Classification

Module 4—General Principles

page 3 of 13


Primary Subject(s) not in Classification Index

  • Sometimes there are complex situations where a term is treed in more than one place
  • Read the MeSH scope note, annotation, and previous indexing field for the chosen term and for that of the next higher terms in the tree
  • Determine the context in which the term is used in the item being cataloged (i.e., determine the primary focus)
  • Example:
    • The MeSH term Auriculotherapy is not in the NLM Classification index
    • Although it trees under Complementary Therapies (which is classed at WB 880-962), per the scope note and previous indexing, it is closely associated with ear acupuncture (WB 369.5.E2) and should be classed there

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