REMOVE

1. plants
2. bushes
3. gloves
4. automobiles
5. men (male humans)
6. 1961

WHAT

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

More 

WHERE

1. Westminster, Maryland (1)

WHO

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

WHEN

1. 1965 (1)
2. between 1961 - 1965 (1)