Submit an OCLC Number, LCCN or OCLC work ID to this service and get back a list of associated OCLC numbers and brief metadata. OCLC Numbers are sorted by the number of times each items represented is held by a WorldCat Library: highest to lowest.

  • Status: Production
  • Sandbox access: Yes


What you get

Who can use it

Authentication & Authorization


We are a worldwide library cooperative, owned, governed and sustained by members since 1967. Our public purpose is a statement of commitment to each other—that we will work together to improve access to the information held in libraries around the globe, and find ways to reduce costs for libraries through collaboration. Learn more »