REMOVE

1. flags
2. uniforms
3. plants
4. boys
5. 1912

WHAT

1. New York (1)
2. Visual Works (hierarchy n … (1)
3. boats (1)
4. ships (1)
5. studies (1)

WHO

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

WHEN

1. 1925 (1)
2. 1929 (1)
3. between 1925 and 1929 (1)