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]
8. graphic document genres
9. cartographic materials
10. maps (documents)
11. [maps by subject type]

Anotations

Scope note:

Refers to maps that indicate political administrative boundaries or other characteristics of a region at periods of time before the present. They typically include historical names for places, historical population dispositions, and the historical state of physical features.