The OCLC Library maintains several separate collections of digital objects within CONTENTdm.

• Photos of OCLC and of the OCLC Library which are freely available to the public;
• Archived copies of OCLC publications which are accessible both through CONTENTdm and through WorldCat;
• Archived copies of other library related publications which we have obtained permission to archive and make available through WorldCat and through CONTENTdm;
• Controlled archives of internal or historical OCLC documents which are not accessible by the public.