![]() ![]() ![]() The subject authority file does not contain records for non-LC authority systems such as MeSH (Medical Subject Headings), NAL (National Agricultural Library), and LAC (Library and Archives Canada). LC does not necessarily create a record for every unique heading-subdivision combination assigned to a bibliographic record.īecause LCSH excludes the following categories of headings, LC creates no subject authority records for. LC creates records for headings and heading-subdivision combinations included in Library of Congress Subject Headings (LCSH). LC staff and NACO participants create headings for personal, corporate, conference and geographic names, as well as uniform title and series headings. ![]() OCLC adds name authority records daily and subject authority records weekly. The Library of Congress (LC) and Program for Cooperative Cataloging (PCC) libraries, which participate in the Name Authority Cooperative Program (NACO) or the Subject Authority Cooperative Program (SACO) create and contribute authority records according to the rules and specifications in the following documentation. Records have variable-length fields that contain coded and textual information.Ĭonnexion allows you to display, create, and maintain headings in authority records as part of the cataloging, reference, or acquisitions process. The record also contains coded data that describes characteristics of the heading or record. If an authorized heading exists, it is described in an authority record.Įach authority record may contain the established form of the heading, see from references, see also from references, and notes. For comprehensive information about WorldCat bibliographic records, see OCLC Bibliographic Formats and Standards. ![]()
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