REMOVE

1. geometric patterns
2. plants
3. berets
4. black-and-white film
5. automobiles
6. 1965

WHAT

1. Visual Works (hierarchy n … (2)
2. buildings (structures) (2)
3. driveways (2)
4. exterior views (2)

More 

WHERE

1. New Windsor, Maryland (2)

WHO

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

Less

WHEN

1. 1969 (1)
2. 1971 (1)
3. ca. 1971 (1)