Components of the NLM® Call Numbers

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DB / Metadata Management Program (MMP): Fundamentals of the NLM® Classification

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Basic Components

An NLM call number consists of the following basic components when applicable
- Classification number
- Table G number (geographic notation)
- Cutter number
- Workmark
- Volume or issue number
- Year of publication
- Supplement number
- Year of supplement

Last Reviewed: April 16, 2021