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which libraries' holdings show up in "open" worldcat?

Submitted by caleb (L-net staff) on Mon, 08/14/2006 - 10:08pm
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I hope we've all heard that we can search OCLC's WorldCat at WorldCat.org. The site has some neat features like bringing together multiple editions and formats under one record and putting libraries into business by sharing revenue from online sales linked through WorldCat.

It hasn't been made obvious to us searchers, but not all libraries' holdings show up in Open WorldCat / WorldCat.org.

To be included, a library must:

  • Contribute holdings to OCLC
  • Subscribe to FirstSearch
  • Be an OCLC member

This is why holdings show holdings for Washington County Cooperative Library Services, instead of for Beaverton City Library, or for Library Information Network of Clackamas County instead of for the Estacada Public Library.

It is hard to know how many Oregon libraries are not included in holdings on WorldCat.org, but so far I only know about one, the Eugene Public Library.