WorldCat

international union library catalog
Organization website Q846596
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WorldCat is an organization established on August 26, 1971[1]. It operates as a website.

The platform serves as a global catalog of library collections. WorldCat was created to facilitate resource sharing and discovery among libraries worldwide.

WorldCat

Summary

WorldCat is a website[1]. WorldCat ranks in the top 4% of website entities by monthly Wikipedia readership (230 views/month).[2]

Key Facts

  • WorldCat is in the country of United States[3].
  • WorldCat's instance of is recorded as website[4].
  • WorldCat's instance of is recorded as online public access catalog[5].
  • WorldCat's instance of is recorded as union catalog[6].
  • WorldCat's instance of is recorded as bibliography[7].
  • WorldCat's instance of is recorded as database[8].
  • WorldCat's instance of is recorded as organization[9].
  • WorldCat's owned by is recorded as OCLC, Inc.[10].
  • WorldCat's operator is recorded as OCLC, Inc.[11].
  • WorldCat's logo image is recorded as WorldCat logo.svg[12].
  • WorldCat's headquarters location is recorded as Dublin[13].
  • WorldCat's VIAF cluster ID is recorded as 176058852[14].
  • WorldCat's OCLC number is recorded as 42004954[15].
  • WorldCat's Library of Congress authority ID is recorded as no2006000525[16].
  • WorldCat's Commons category is recorded as WorldCat[17].
  • WorldCat's language of work or name is recorded as multiple languages[18].
  • WorldCat's has part is recorded as Faceted Application of Subject Terminology[19].
  • +1971-08-26T00:00:00Z marks the founding of WorldCat[20].
  • WorldCat's Freebase ID is recorded as /m/04t_ln[21].
  • WorldCat's official website is recorded as https://search.worldcat.org/[22].
  • WorldCat's official website is recorded as https://www.oclc.org/en/worldcat.html[23].
  • WorldCat's described at URL is recorded as https://tapor.ca/tools/1243[24].
  • WorldCat's described by source is recorded as Bibliographic Scan of Digital Scholarly Communication Infrastructure[25].
  • WorldCat's Alexa rank is recorded as {'amount': '+5234'}[26].
  • WorldCat's Alexa rank is recorded as {'amount': '+3756'}[27].

Body

Founding

+1971-08-26T00:00:00Z marks the founding of WorldCat[20].

Operations

WorldCat's headquarters location is recorded as Dublin[13]. WorldCat's operator is recorded as OCLC, Inc.[11].

Ownership

WorldCat's owned by is recorded as OCLC, Inc.[10].

Why It Matters

WorldCat ranks in the top 4% of website entities by monthly Wikipedia readership (230 views/month).[2] WorldCat has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[28] WorldCat is known by 6 alternative names across languages and contexts.[29]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Bibliographic Scan of Digital Scholarly Communication Infrastructure. wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . WorldCat. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . blog.oclc.org. blog.oclc.org. Provenance: wikidata.org.
  19. [21] . Freebase Data Dumps. wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . alexa.com. Retrieved . alexa.com. Provenance: wikidata.org.
  25. [27] . alexa.com. Retrieved . alexa.com. Provenance: wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). WorldCat. Retrieved March 11, 2026, from https://4ort.xyz/entity/worldcat
MLA “WorldCat.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Mar. 2026, https://4ort.xyz/entity/worldcat.
BibTeX @misc{4ortxyz_worldcat_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{WorldCat}}, year = {2026}, url = {https://4ort.xyz/entity/worldcat}, note = {Accessed: 2026-03-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): WorldCat — https://4ort.xyz/entity/worldcat (retrieved 2026-03-11)

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