REMOVE

1. bone (material)
2. abstraction
3. circles (plane figures)
4. Abstract

WHAT

1. Visual works (hierarchy n … (1)
2. black (color) (1)
3. blue (color) (1)

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WHERE

1. Richmond, Virginia (1)

WHO

1. Still, Clyfford (1)

WHEN

1. 1944 (1)