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. religious texts

Anotations

Scope note:

Books containing the prescribed order of prayers, readings from the bible, and rites for the canonical hours; often illuminated and intended for the lay community. For books containing the Divine Office for clerics or monastic contexts, use "breviaries."