REMOVE

1. Greenwich, Connecticut
2. 1976
3. 1972, 1978

WHAT

1. Visual Works (hierarchy n … (2)
2. automobiles (2)
3. black-and-white film (2)
4. driveways (2)
5. plants (2)

More 

WHERE

1. New Windsor, Maryland (1)
2. Westminster, 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. 1966 (1)
2. 1969 (1)
3. ca. 1966 (1)