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. pattern books

Anotations

Scope note:

Books of designs or plans for architecture or architectural details, circulated or published to enable widespread copying; in addition to illustrations, may describe techniques and working methods for construction.