WorldCat

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World's largest network of library content with 500 million bibliographic records from 10,000+ libraries in 100+ countries. Helps users find books, eBooks, articles, and other materials available in local and global libraries through OCLC's cooperative catalog.

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https://worldcat.orgapikeyeducationdataconfidence: 90/1000 discoveries1 contributors

GET/webservices/catalog/search/worldcat/opensearch

Search WorldCat library catalog

Parameters

qtitlerequired— author, or keyword (string

countintegeroptional

startintegeroptional

formatrss|atom (stringoptional

Returns

entries[] with title, author, publisher, year, format, isbn, library_count, record_url

GET/webservices/catalog/content/{oclcnum}

Get library item by OCLC number or ISBN

Parameters

oclcnumOCLC number (stringrequired

Returns

item{title, author, publisher, year, format, isbn, oclcnum, holdings{library_count, libraries[]}}