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About the database

The database provides localized and personalized content from your library's collection and those of more than 10,000 other WorldCat libraries globally.


The database contains:

  • All the records cataloged by OCLC member libraries and millions of journal articles.
  • Includes records representing 400 languages.

Database details

Subjects An ever-growing list of materials available at thousands of OCLC member libraries including:

Websites and internet resources

Computer programs

Films and slides

Journals and magazines

Articles, chapters, papers


Musical scores


Sound recordings

Sources database which includes WorldCat and most of the central index. For details, refer to the Application-level view tab > Available in column in the Complete list of databases spreadsheet.
Number of records See WorldCat facts and statistics for the latest information on WorldCat database record counts. also contains more than 65 million articles from sources including British Library, Elsevier, ERIC, Medline, and CAMIO.
Dates covered Current titles as well as older titles still held by libraries
Update frequency Daily
Producer information OCLC Online Computer Library Center, Inc.

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Email: Contact OCLC Support in your region.
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Indexes and examples in

Search indexes Examples
Keyword tea house
Accession Number 37993343

[OCLC number]
Author tom clancy
ISBN 3196311821 or 31-9631-182-1

9780763625894 or 978-0-763625-89-4
ISSN 0000-0019
Subject coffeehouses
Title murder on the orient express