https://help-it.oclc.org/Metadata_Services/Connexion/Connexion_client/Cataloging/Take_actions_on_bibliographic_records/Batch_set_or_delete_holdings_by_OCLC_number
Batch set or delete holdings by OCLC number - OCLC Support
May 28, 2025 - Discover how to batch set or delete holdings by OCLC number in Connexion client.
oclc numberbatchsetdeleteholdings
https://help-de.oclc.org/Metadata_Services/WorldShare_Collection_Manager/Troubleshooting/I_made_a_global_OCLC_number_change_in_a_knowledge_base_collection_but_that_change_was_overwritten_by_a_provider_load_Why
I made a global OCLC number change in a knowledge base collection, but that change was overwritten...
https://www.oclc.org/bibformats/en/0xx/019.html
019 OCLC Control Number Cross-Reference
oclccontrolnumbercrossreference