REMOVE

1. fences
2. sitting
3. parks (recreation areas)
4. artists (visual artists)

WHAT

1. Visual Works (hierarchy n … (3)
2. barriers (3)
3. black-and-white film (3)
4. coats (garments) (3)

More 

WHERE

1. New Windsor, Maryland (2)
2. New York, New York (1)

WHO

1. Campbell, Sandra L. Still (2)
2. Diane Still Knox; Diane K … (1)
3. Knox, Diane Still (1)
4. Sandra L. Still Campbell; … (2)

Less

WHEN

1. 1971 (2)
2. 1958 (1)