REMOVE

1. green
2. red
3. white
4. oil paint
5. houses
6. farming

WHAT

1. Visual works (hierarchy n … (2)
2. brown (2)
3. figures (2)
4. machinery (2)

More 

WHERE

1. Killam, Alberta, Canada (1)
2. Yaddo, Saratoga Springs, … (1)

WHO

1. Still, Clyfford (2)

WHEN

1. 1929 (1)
2. 1935 (1)