Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Visual Works (hierarchy name)
5. visual works (works)
6. [visual works by material or technique]
7. photographs
8. [photographs by form]
9. positives (photographs)
10. photographic prints
11. [photographic prints by process]

Anotations

Scope note:

Photographic prints made using a light-sensitive emulsion of a ferric salt and silver nitrate. When developed, a metallic silver image is formed; various developers can produce black, brown, purple, or maroon tones.