Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Object Groupings and Systems (hierarchy name)
4. object groupings
5. [object groupings by specific context]
6. information artifact groupings
7. files (document groupings)
8. [files by function]

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication
4. Information Forms
5. information forms
6. document genres
7. documents by function
8. reference sources
9. controlled vocabularies

Narrower term/s

• name authority files
• subject authority files

Anotations

Scope note:

Collations of terms or names that serves as a standard for cataloging purposes, particularly electronic or physical files or other groupings of authorized cataloging entries for names, subjects, or other information. An authority file is characterized by having labeled the authoritative or preferred form of the name or subject entry for a particular entity.