Cataloging: Fundamentals of the NLM® Classification
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Exceptions to W1 Classification
- Other non-periodical serials may be classed by topic when the classification schedule specifically says the number may be used for both monographs and serials
- This most commonly occurs for specific publication types, such as directories, handbooks, dictionaries, legislation, etc.
Locating Serial Classification Numbers
- To find all the classification numbers that may be used for serials, search the schedule for the word "serials" on the Classification home page