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 function]
7. companion pieces (general works)

Anotations

Scope note:

Pairs of works of art that were designed, or purposefully chosen, to be displayed together, usually side by side. Examples would be portraits of a husband and wife, of the same size and scale, having the same or similar background, with the sitters arranged to face each other when hung on the wall.