REMOVE

1. black-and-white film
2. plants

WHAT

1. Visual works (hierarchy n … (2)
2. farms (2)
3. graphite pencils (2)
4. pigs (animals) (2)
5. studies (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1929 (2)
2. 1931 (2)
3. circa 1930 (2)