15.0 Maintenance of the Subject Authority File
As a dynamic list, the Subject Authority File is being updated daily to meet the demands of the growing collection. Maintenance of the subject headings list involves creating new headings, deleting existing headings, and changing existing headings. In all such operations, the pertinent cross references and class numbers are also revised to reflect the ripple effects of the change.
15.2 Deleting existing headings
15.3 Changing existing headings
See also: