REMOVE

1. trains (vehicle groupings)
2. landscapes (representations)
3. automobiles
4. farming
5. 1923

WHAT

1. Visual Works (hierarchy n … (1)
2. sketches (1)

WHO

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

WHEN

1. 1936 (1)
2. circa 1929 (1)