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  1. Preassigned Control Number | Programs - Library of Congress

    A Library of Congress control number (LCCN) is a unique identification number that the Library of Congress assigns to the catalog record created for each book in its cataloged collections.

  2. How to Get a Library of Congress Control Number (LCCN) — and …

    Apr 8, 2025 · A Library of Congress Control Number (LCCN) is a unique identifier created by the Library of Congress to help libraries and booksellers catalog books before they’re published. It’s not required …

  3. Library of Congress Control Number - Wikipedia

    The Library of Congress Control Number (LCCN) is a serially based system of numbering cataloged records in the Library of Congress, in the United States. It is not related to the contents of any book, …

  4. Home | Library of Congress

    The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 162 million items.

  5. Library of Congress - USAGov

    The Library of Congress provides Congress with objective research to inform the legislative process, administers the national copyright system, and manages the largest collection of books, recordings, …

  6. Library of Congress Call Numbers - Creighton University

    Learn how to navigate the Library of Congress call number system with Creighton University Libraries' step-by-step guide. Improve your research skills and locate materials efficiently.

  7. Understanding Library of Congress (LC) Call Numbers

    Aug 19, 2024 · This guide explains the Library of Congress Call Number system and how you can use it to find physical materials in the library

  8. Search/Browse Help - Number Searches: LC Catalog (Library of Congress)

    Numbers found in LC Catalog records include: Library of Congress Control Numbers (LCCNs) are record identifiers assigned by the Library of Congress to bibliographic and authority records.

  9. Library of Congress Catalog | Library of Congress

    Contains over 20 million catalog records for books, serials, manuscripts, maps, music, recordings, images, and electronic resources in the Library of Congress collections.

  10. How to Apply | About the PCN Program - Library of Congress

    To obtain Library of Congress control numbers for your forthcoming books, you must first complete the Application to Participate and obtain an account number and password.