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  1. Home page of the Acquisitions and Bibliographic Access (ABA) Directorate of the Library of Congress. Access information about subject headings, classification, cataloging policy, cataloging products, cooperative cataloging, and authority records.

    • Program for Cooperative Cataloging (Pcc)

      The Program for Cooperative Cataloging (PCC) is one of two...

    • LCC

      Earlier editions are available here but should not be used...

    • RDA

      Resource Description and Access (RDA): Information and...

    • NACO

      View all Cataloging FAQs. NACO Advisory Group. The NACO...

  2. One of the Library's most common controlled vocabularies is the Library of Congress Subject Headings (LCSH). In addition to providing cross-references, scope notes identify LC classification numbers associated subject headings and clarify how particular headings have been used in the LC Catalog.

  3. 13 de feb. de 2024 · The Library of Congress is planning for 2021 to be a critical expansion year for its BIBFRAME cataloging operation. In 2021, all Library of Congress cataloging staff will be brought into BIBFRAME for resource description.

    • Classification Web
    • Cataloger's Desktop
    • Marc Distribution Services
    • Product Categories

    The only web-based subscription service that features the entire Library of Congress Classification and the complete Library of Congress Subject Headings and Name Headings. Updated daily. Free trial available. Read more about Classification Web

    More than 300 of the most important cataloging and metadata resources—available 24-7. Web-based subscription service. Free trial available. Read more about Cataloger's Desktop

    The premier source for Library of Congress bibliographic and authority records. Fourteen database services offered in hundreds of languages and distributed via FTP (file transfer protocol). Read more about MARC Distribution Services

    See the range of products CDS packages and distributes as bibliographic databases and web-based subscription services for catalogers. Read more about our products

  4. Library of Congress collections contain over 175 million books, periodicals, manuscripts, maps, music, recordings, images, and electronic resources. The LC Catalog contains over 20 million records describing these collections.

  5. Searches for Library of Congress Control Numbers (LCCN), International Standard Book Numbers (ISBN), and International Standard Serial Numbers (ISSN). Numbers must be entered in exact order beginning with the first character. Standard numbers can help you retrieve specific records from the LC Catalog.

  6. 11 de dic. de 2023 · This guide offers tools and resources for cataloging maps, atlases, geospatial datasets, globes, and other cartographic materials. It includes the Cartographic Resources Manual, subject and geographic Cutters, and Library of Congress Genre/Form Terms.