Libraries organize books by subject using a system of letters and numbers called call numbers. While public libraries often use the Dewey Decimal System, academic libraries like Sacred Heart use the Library of Congress Classification.
As you research, you may begin to recognize call numbers related to your topic. To save time, always write down or copy the full call number of any book you plan to find—it helps you locate it quickly in the stacks.
Remember: call numbers are based on subject, not the author’s name or book title.
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