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.

15.0 References

15.1 Creating new headings

15.2 Deleting existing headings

15.3 Changing existing headings

See also:

Principles of Heading Construction