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OCLC Number

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Hannah H edited this page Mar 19, 2026 · 1 revision

An OCLC number (or OCN) is a unique identifier for a book or item in the WorldCat database, often used for inter-library loans. You can find it by searching the book title on WorldCat, looking in the "library catalog" details, or within the MARC 001 field, where it often appears without letters.

The Thoth Wiki has been developed in the context of the COPIM (Community-led Open Publication Infrastructures for Monographs) project. Individual contributions to the wiki have been made by Tim Elfenbein, Joanne Fitzpatrick, Rupert Gatti, Ross Higman, Hannah Hillen, Brendan O'Connell, Tobias Steiner, and Vincent W.J. van Gerven Oei under the general editorship of Van Gerven Oei. All data are available under a CC-BY 4.0 license.

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