REMOVE

1. yards (areas)
2. trees
3. sidewalks
4. portraits
5. artists (visual artists)

WHAT

1. Visual Works (hierarchy n … (1)
2. beards (1)
3. berets (1)
4. black-and-white film (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHO

1. Campbell, Sandra L. Still (1)
2. Sandra L. Still Campbell; … (1)

WHEN

1. 1971 (1)