REMOVE

1. doors
2. barns
3. sky
4. garages
5. 1961
6. 1938

WHAT

1. Visual Works (hierarchy n … (1)
2. boats (1)
3. machinery (1)
4. ships (1)
5. shipyards (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)