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Library 101

Library of Congress Classification System & Understanding Call Numbers

How do I Read a Call Number?

In addition to the location, you will need to know the book's call number, which will lead you to where the book sits on the shelf. The Library's collection is arranged by Library of Congress Classification and the call number will be a combination of letters and numbers.

In the catalog, this book appears as:

Bryant, Edward
Tsunami : the underrated hazard.

Location Call # Status
Main Stacks GC221.2 B78 2001 Available


If you can't find a book where you think it should be, ask a librarian for help.