REMOVE

1. 1970
2. 1632
3. 1635
4. circa 1632 to 1635

WHAT

1. abstraction (2)
2. black (2)
3. blue (2)
4. brown (1)
5. gray (2)
6. oil paint (2)
7. Visual works (hierarchy n … (2)

WHERE

1. San Francisco, California (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1947 (1)
2. 1950 (1)