Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. multidisciplinary concepts

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Object Genres
4. object genres

Anotations

Scope note:

Indication in texts, databases, tables, and lists when information for the instance at hand is not determined. For information that is unavailable to the cataloger or other information provider, rather than being in general undetermined, prefer "unavailable."