REMOVE

1. workers
2. automobiles
3. studies
4. hats
5. circa 1930

WHAT

1. Visual works (hierarchy n … (3)
2. blue (3)
3. brown (3)
4. farming (3)
5. figures (3)

More 

WHERE

1. Bow Island, Alberta, Cana … (1)
2. Killam, Alberta, Canada (1)
3. Pullman, Washington (1)

WHO

1. Still, Clyfford (3)

Less

WHEN

1. 1925 (1)
2. 1929 (1)
3. 1935 (1)