REMOVE

1. gifts
2. exhibition openings
3. 1993

WHAT

1. black (1)
2. blue (3)
3. figures (3)
4. green (1)
5. machinery (1)
6. oil paint (3)
7. portraits (1)
8. ships (1)
9. shipyards (2)
10. Visual works (hierarchy n … (3)
11. white (1)
12. workers (2)
13. yellow (3)

Less

WHERE

1. San Francisco, California (2)
2. Oakland, California (1)

WHO

1. Still, Clyfford (3)

WHEN

1. 1942 (3)