Authorities: Format and Indexes (OCLC)Provides details that catalogers can use to
identify and verify information in bibliographic and/or authority records via the OCLC authority file
Virtual International Authority File (VIAF)Combines multiple name authority files into a single OCLC-hosted name authority service. The goal of the service is to lower the cost and increase the utility of library authority files by matching and linking widely-used authority files and making that information available on the Web
