REMOVE

1. red
2. green
3. farms
4. white
5. orange
6. 1975

WHAT

1. clouds (1)
2. drawing (image-making) (1)
3. graphite pencils (1)
4. ink (1)
5. lines (geometric concept) (1)
6. sketches (1)
7. teaching (1)
8. Visual Works (hierarchy n … (1)

Less

WHO

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

WHEN

1. 1933 (1)
2. 1933-1941 (1)
3. 1941 (1)