Where is the oclc number

Beginning June 26, , the transaction date was moved to field and no longer put in field Includes all records output regardless of when the library updated or added the record. Records produced prior to June 28, but output after that date have the new structure:. Beginning in December , for every record that is merged to another record, a field OCLC control number cross-reference is created.

A new record will result in the assignment of a new OCLC number. To see the guidelines to determine a major change, click here. This prompted the creation of a new record starting with the seventh issue of volume 42 from July Each of the three records associated with these title changes should have its own unique OCLC number.

An OCLC number can lead you to a single item record but, in my considerable experience, the quality of the metadata can differ substantially. A few librarians from the USA want it for inter-library loan requests for journal articles but others have said they don't use it if there is an ISSN or a Library of Congress catalog number available. Some OCLC records are astoundingly bad -- the title might be correct but spelling errors and number transpositions are not uncommon.

We get that because each participating library can add records and there may be little quality control over the persons who enter the records to the OCLC system. July 3, Two issues that make this at least somewhat unlikely: 1. OCLC numbers aren't easily distinguishable. DOIs start with OCLC is just a number. Zotero already accepts Pubmed IDs for which the same is true, so it can't easily do both.