Hierarchy classification:

1. top of the aat hierarchies
2. Styles and Periods Facet
3. Styles and Periods (hierarchy name)
4. [styles, periods, and cultures by general era]

Anotations

Scope note:

Refers to the period antecedent to the first contemporary written accounts of a people. The time span for this period varies according to specific local habitation patterns and in different scholarly disciplines.