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 form]

Anotations

Scope note:

Portable books, treatises, or compendiums, covering one or more subjects, arranged for quick location of information and of a size such as may conveniently be held in the hand. Examples are instructional manuals and guides to museums' collections.