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OCLC Conspectus

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The OCLC Conspectus is a subject hierarchy consisting of divisions, categories, and subject descriptors. The Conspectus can be used with Dewey Decimal, Library of Congress, and National Library of Medicine classifications.
  • OCLC Conspectus by Classification Number
    Find the OCLC Conspectus organized by classification number, allowing you to search the Conspectus at the subject level or to search for Conspectus information by Dewey Decimal, Library of Congress, and NLM classification number.
  • OCLC Conspectus by Division / Category
    Find the OCLC Conspectus organized by division/category, allowing you to search the Conspectus at the category level, division level, or to search for Conspectus information by Dewey Decimal, Library of Congress, and NLM classification number.