Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. document genres
7. [documents by function]
8. reference sources
9. indexes (reference sources)
10. [indexes by form]
11. rotated indexes

Anotations

Scope note:

Indexes in which each significant word in the entry is brought to the beginning, in alphabetical order, followed by the remaining words which follow it, and then followed by that part of the original title which came before the significant word.