Answered By: Laura Sider
Last Updated: Aug 30, 2019     Views: 636

Q: What is Yale Classification?
Answered by: Laura Sider

"Yale Classification" is one of the systems we use to classify or organize our books in the library collection.  When new materials arrive, they are categorized based on their subject area and assigned a unique "call number," a combination of letters and numbers that help us locate the book in the library stacks and also group the item with items on similar topics.

ex: AA89 L121 

ex: Y64 1 926a+ Oversize **

**Some books are large and need to be shelved separately.  We distinguish these from the rest by noting that they are "Oversize" within the call number.

To find a book in the stacks using the call number, use this guide

Yale classification call numbers typically have both upper and lowercase letters.  The record will also state that a book is classified using our Yale Classification.

Please note, we do have two classification systems in some campus libraries.  Click the link to learn more about our other classification system, 'Library of Congress" or "LC."

Have a question?  Email or stop by the service desk in Sterling Memorial Library for assistance finding your book!

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