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. direct positives

Anotations

Scope note:

Secondary prints made from commercial photographic dye diffusion print products, such as Polaroid print film. The original negative is pressed onto a wet receptor such as watercolor paper, thus creating a second print from dyes leached from the photographic reagent.