REMOVE

1. workers
2. roads
3. 1958
4. 1938

WHAT

1. Visual works (hierarchy n … (2)
2. figures (2)
3. graphite pencils (2)
4. horses (animals) (2)
5. machinery (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1925 (2)
2. 1931 (2)
3. circa 1928 (2)