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Library of Congress Control Number
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<p>The Library of Congress Control Number (LCCN) is a <a href="/facts/Serial_number/2XUENAvJ">serially</a> based system of numbering <a href="/facts/Cataloging_(library_science)/YMKrnNoU">cataloged</a> records in the <a href="/facts/Library_of_Congress/TfB6dEN5">Library of Congress</a>, in the United States. It is not related to the contents of any book, and should not be confused with <a href="/facts/Library_of_Congress_Classification/lQ61tkz3">Library of Congress Classification</a> (LCC). </p>