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WorldCat knowledge base collections

The WorldCat knowledge base grows continuously and includes library- , publisher- and OCLC-contributed content from around the world, including e-books, e-journals, and open access content.

As of October 2014 , the WorldCat knowledge base provides access to 12,000 content collections from 5,823 providers. The knowledge base will continue to grow through content provider and member library contributions.

View a list of content included in the knowledge base.

If you would like to suggest the addition of specific collection to the WorldCat knowledge base, please send your suggestions to