REMOVE

1. machinery
2. circa 1926

WHAT

1. Visual Works (hierarchy n … (2)
2. studies (2)
3. New York (1)

WHO

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

WHEN

1. 1923 (2)
2. 1930 (1)
3. 1936 (1)