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TSD / Cataloging and Metadata Management: Fundamentals of the NLM® Classification

General Principles

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Geographic Subdivision

  • Geographic subdivision is provided for certain numbers in the NLM Classification schedules by the application of Table G (Cf. Module 5—Table G)

Form Numbers

  • Some materials are classed for form or publication type (e.g., Atlases, Dictionaries, Outlines) or for the specific aspect of the subject discussed (e.g., education, history, legislation), rather than for the particular subject used (Cf. Module 6—Form Numbers)


Last Reviewed: April 16, 2021