REMOVE

1. studies
2. 1933
3. 1925

WHAT

1. Visual Works (hierarchy n … (1)
2. factories (structures) (1)
3. graphite pencils (1)
4. landscapes (representatio … (1)
5. railroad stations (1)

WHO

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

WHEN

1. circa 1927 (1)