3 thoughts on “LC/PCC guidelines for MARC 21 repeatable 260 field

  1. Mark Wilson

    OCLC is implementing the changes for TB 257 this Sunday, 8/16. the changes (which includes the repeatable 260, linking ISSN, Blu-ray, etc) have been made to our tag tables. They can be deployed at anytime. Any reason why Monday 8/17 is too early?

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