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. drawings (visual works)
8. [drawings by material or technique]

Anotations

Scope note:

Drawings in charcoal or, less commonly, pastel on board painted white and coated with marble dust, which gives the finished drawing a sandpaper-like sparkle and texture, and effects of light and dark similar to those in engravings. Popular in the mid-19th-century United States.