Core/ MAGIRT Cartographic Resources Cataloging Interest Group

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Discusses the basic issues relating to bibliographic control of maps and related materials. Discusses rules and standards covering such cataloging, as well as application of the rules and principles both in general and in response to specific problems, and various practicing options.

This group is part of Core's Metadata & Collections Section.

WorldCat Validation Release Notes, September 2022

  • 1.  WorldCat Validation Release Notes, September 2022

    Posted Sep 20, 2022 07:50 AM

    On September 29, 2022, OCLC expects to install changes to WorldCat Validation, including the following new features and enhancements:


      • OCLC-MARC Validations of New MARC Codes Announced May-August 2022
      • MARC 21 Bibliographic Update No. 34 (Announced July 2022)
      • MARC 21 Authority Update No. 34 (Announced July 2022) to the Validation Rule Set that Includes All Valid Elements of MARC 21 Authority Format.  These changes apply only to the OCLC-MARC Authority validation rule set that includes all valid elements of MARC 21 Authority Format. Name Authority Cooperative (NACO) participants cannot use these authority format changes in the LC/NACO Authority File at this time. The Library of Congress and OCLC will announce the implementation of these elements for use in name and subject authority records in the LC/NACO Authority File at a future date.
      • MARC 21 Holdings Update No. 34 (Announced July 2022)


    The following bug fixes will also be included:


      • Correction of Validation Relationships in Bibliographic Field 382
      • Unicode Characters Valid in Additional Local Holdings Record (LHR) Subfields
      • Correction of Validation for Authority Fields 080, 082, and 083
      • Correction of Validation for Bibliographic Field 046
      • Correction of Validation for Subfield $2 in Bibliographic and Local Holdings Records (LHRs)


    These enhancements and fixes are the result of announcements of new MARC elements and codes by the Library of Congress as well as feedback and requests from members of the OCLC cooperative.


    See the WorldCat Validation Release Notes, September 2022 at for more details of the changes that we hope to install on September 29, 2022.


    Please forgive any duplication of this message.


    Stay well.





    Jay Weitz


    OCLC · Senior Consulting Database Specialist, Membership and Research

    6565 Kilgour Place, Dublin, Ohio USA 43017

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    Jay Weitz
    Senior Consulting Database Specialist
    Online Computer Library Center