REMOVE

1. plants
2. barns
3. sky
4. arbors
5. automobiles
6. oil pastels

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. beards (1)
4. black-and-white film (1)
5. columns (architectural el … (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHO

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

WHEN

1. 1969 (1)
2. 1969 January (1)