Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. information form components
7. gathered matter components
8. leaves (gathered matter)

Anotations

Scope note:

Single or multiple leaves of a book that contain errors or defects and are replaced by a corrected leaf, leaves, or slip. Distinguished from "cancellans", the leaf or leaves used to replace the removed cancellandum.