REMOVE

1. barriers
2. blood
3. ink
4. buildings (structures)

WHAT

1. exterior views (1)
2. farms (1)
3. fences (site elements) (1)
4. fields (land) (1)
5. hats (1)
6. silver gelatin (1)
7. spouses (1)
8. trees (1)
9. Visual Works (hierarchy n … (1)
10. wire (1)
11. women (1)

WHO

1. Clyfford Still; Still, Cl … (1)
2. Still, Clyfford (1)

WHEN

1. 1930 (1)
2. 1930s (1)
3. 1939 (1)