REMOVE

1. ink
2. art collections
3. 1965-1967
4. 1969

WHAT

1. Visual Works (hierarchy n … (2)
2. black-and-white film (2)
3. buildings (structures) (2)
4. exterior views (2)
5. railroads (2)

More 

WHERE

1. Grand Coulee, Washington (1)
2. New Windsor, Maryland (1)

WHO

1. Campbell, Sandra L. Still (1)
2. Clyfford Still; Still, Cl … (2)
3. Sandra L. Still Campbell; … (1)
4. Still, Clyfford (2)

Less

WHEN

1. 1936 (1)
2. 1937 (1)
3. ca. 1936 - 1937 (1)