OCLC, Inc., doing business as OCLC, is an American nonprofit cooperative organization "dedicated to the public purposes of furthering access to the world's information and reducing information costs".

What is an OCLC number?

The OCLC Number is a unique number associated with a record in WorldCat. WorldCat is the world's largest network of library holdings. Including the OCLC Number when submitting an ILL request can help speed processing and confirm what you are asking for to library staff.

What is the purpose of OCLC?

OCLC, Inc., doing business as OCLC, is an American nonprofit cooperative organization "dedicated to the public purposes of furthering access to the world's information and reducing information costs".